1. Jam: A thick spread made by cooking fruit with sugar.
2. Jelly: A clear, firm product made from fruit juice and sugar.
3. Squash: A concentrated fruit drink made by mixing fruit juice, sugar, and preservatives.
4. Fruit candies: Chewy or hard candies made using fruit extracts.
Value-added products increase the shelf life of fruits and enhance their market value.
In the adjoining figure, \( AP = 1 \, \text{cm}, \ BP = 2 \, \text{cm}, \ AQ = 1.5 \, \text{cm}, \ AC = 4.5 \, \text{cm} \) Prove that \( \triangle APQ \sim \triangle ABC \).
Hence, find the length of \( PQ \), if \( BC = 3.6 \, \text{cm} \).