Question

Find the fourth proportional to
i) 25, 125, 3.5
ii) ab,bc,ca

Answer 1

i)Let the 4th proportional be x

so 25:125:3.5:x

25*x=125*3.5

25x=437.5

x=437.5/25

x=17.5

Answer 2

x is equal to 17.5

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Step-by-step explanation:

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