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Finding the Fourth Proportional to 79,453.62, 109,694.16 and 52,619.13

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Solution

The fourth proportional to 79,453.62, 109,694.16 and 52,619.13 is: 72,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,453.62 : 109,694.16 = 52,619.13 : x
  2. Step 2: Convert to fraction form
    79,453.62/109,694.16 = 52,619.13/x
  3. Step 3: Cross multiply
    79,453.62x = 109,694.16 × 52,619.13
  4. Step 4: Simplify right side
    79,453.62x = 5,772,011,265.28
  5. Step 5: Solve for x
    x = 5,772,011,265.28/79,453.62
  6. Step 6: Final answer
    x = 72,646.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.