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Finding the Fourth Proportional to 83,663.60, 125,486.22 and 24,499.86

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Solution

The fourth proportional to 83,663.60, 125,486.22 and 24,499.86 is: 36,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663.60 : 125,486.22 = 24,499.86 : x
  2. Step 2: Convert to fraction form
    83,663.60/125,486.22 = 24,499.86/x
  3. Step 3: Cross multiply
    83,663.60x = 125,486.22 × 24,499.86
  4. Step 4: Simplify right side
    83,663.60x = 3,074,394,821.93
  5. Step 5: Solve for x
    x = 3,074,394,821.93/83,663.60
  6. Step 6: Final answer
    x = 36,747.10

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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.