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Finding the Fourth Proportional to 71,882.73, 107,773.05 and 27,472.05

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Solution

The fourth proportional to 71,882.73, 107,773.05 and 27,472.05 is: 41,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882.73 : 107,773.05 = 27,472.05 : x
  2. Step 2: Convert to fraction form
    71,882.73/107,773.05 = 27,472.05/x
  3. Step 3: Cross multiply
    71,882.73x = 107,773.05 × 27,472.05
  4. Step 4: Simplify right side
    71,882.73x = 2,960,746,618.25
  5. Step 5: Solve for x
    x = 2,960,746,618.25/71,882.73
  6. Step 6: Final answer
    x = 41,188.57

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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.