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Finding the Fourth Proportional to 63,403.63, 87,496.38 and 34,331.85

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Solution

The fourth proportional to 63,403.63, 87,496.38 and 34,331.85 is: 47,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,403.63 : 87,496.38 = 34,331.85 : x
  2. Step 2: Convert to fraction form
    63,403.63/87,496.38 = 34,331.85/x
  3. Step 3: Cross multiply
    63,403.63x = 87,496.38 × 34,331.85
  4. Step 4: Simplify right side
    63,403.63x = 3,003,912,593.70
  5. Step 5: Solve for x
    x = 3,003,912,593.70/63,403.63
  6. Step 6: Final answer
    x = 47,377.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.