P ଏବଂ Q ର ତୃତୀୟ ଅନୁପାତ ଏବଂ P, Q ଏବଂ R ର ଚତୁର୍ଥ ଅନୁପାତ 5 6, ତେବେ Q R ହେଉଛି:

1
6 5
2
2 ∶ 3
3
5 6
4
3 2

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