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Finding the Fourth Proportional to 71,640.52, 107,503.98 and 24,926.20

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Solution

The fourth proportional to 71,640.52, 107,503.98 and 24,926.20 is: 37,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,640.52 : 107,503.98 = 24,926.20 : x
  2. Step 2: Convert to fraction form
    71,640.52/107,503.98 = 24,926.20/x
  3. Step 3: Cross multiply
    71,640.52x = 107,503.98 × 24,926.20
  4. Step 4: Simplify right side
    71,640.52x = 2,679,665,706.28
  5. Step 5: Solve for x
    x = 2,679,665,706.28/71,640.52
  6. Step 6: Final answer
    x = 37,404.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.