Question

tell me if x , y , z , w are in proportion , then​

Answer 1

Answer:

Since x,y,z and w are in proportion,

x:y::z:w

So, we can say that, xy=zw { By taking product of extreme and product of mean}

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Answer 2

Answer:

then if any one of the quantities that are (x, y and z) will increase/decrease then other quantities in the given set will increase/decrease respectively.

Step-by-step explanation:

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hope... it helps you

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