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Finding the Fourth Proportional to 67,520.97, 93,159.99 and 38,839.14

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Solution

The fourth proportional to 67,520.97, 93,159.99 and 38,839.14 is: 53,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520.97 : 93,159.99 = 38,839.14 : x
  2. Step 2: Convert to fraction form
    67,520.97/93,159.99 = 38,839.14/x
  3. Step 3: Cross multiply
    67,520.97x = 93,159.99 × 38,839.14
  4. Step 4: Simplify right side
    67,520.97x = 3,618,253,894.01
  5. Step 5: Solve for x
    x = 3,618,253,894.01/67,520.97
  6. Step 6: Final answer
    x = 53,587.11

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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.