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Finding the Fourth Proportional to 59,861.78, 89,793.12 and 26,572.90

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Solution

The fourth proportional to 59,861.78, 89,793.12 and 26,572.90 is: 39,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,861.78 : 89,793.12 = 26,572.90 : x
  2. Step 2: Convert to fraction form
    59,861.78/89,793.12 = 26,572.90/x
  3. Step 3: Cross multiply
    59,861.78x = 89,793.12 × 26,572.90
  4. Step 4: Simplify right side
    59,861.78x = 2,386,063,598.45
  5. Step 5: Solve for x
    x = 2,386,063,598.45/59,861.78
  6. Step 6: Final answer
    x = 39,859.55

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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.