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Finding the Fourth Proportional to 63,691.92, 87,900.06 and 41,077.98

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Solution

The fourth proportional to 63,691.92, 87,900.06 and 41,077.98 is: 56,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.92 : 87,900.06 = 41,077.98 : x
  2. Step 2: Convert to fraction form
    63,691.92/87,900.06 = 41,077.98/x
  3. Step 3: Cross multiply
    63,691.92x = 87,900.06 × 41,077.98
  4. Step 4: Simplify right side
    63,691.92x = 3,610,756,906.68
  5. Step 5: Solve for x
    x = 3,610,756,906.68/63,691.92
  6. Step 6: Final answer
    x = 56,690.97

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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.