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Finding the Fourth Proportional to 63,813.75, 95,553.42 and 44,991.90

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Solution

The fourth proportional to 63,813.75, 95,553.42 and 44,991.90 is: 67,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,813.75 : 95,553.42 = 44,991.90 : x
  2. Step 2: Convert to fraction form
    63,813.75/95,553.42 = 44,991.90/x
  3. Step 3: Cross multiply
    63,813.75x = 95,553.42 × 44,991.90
  4. Step 4: Simplify right side
    63,813.75x = 4,299,129,917.30
  5. Step 5: Solve for x
    x = 4,299,129,917.30/63,813.75
  6. Step 6: Final answer
    x = 67,369.96

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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.