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Finding the Fourth Proportional to 64,677.70, 89,250.42 and 36,377.92

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Solution

The fourth proportional to 64,677.70, 89,250.42 and 36,377.92 is: 50,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,677.70 : 89,250.42 = 36,377.92 : x
  2. Step 2: Convert to fraction form
    64,677.70/89,250.42 = 36,377.92/x
  3. Step 3: Cross multiply
    64,677.70x = 89,250.42 × 36,377.92
  4. Step 4: Simplify right side
    64,677.70x = 3,246,744,638.73
  5. Step 5: Solve for x
    x = 3,246,744,638.73/64,677.70
  6. Step 6: Final answer
    x = 50,198.83

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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.