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Finding the Fourth Proportional to 63,402.80, 95,098.70 and 38,435.50

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Solution

The fourth proportional to 63,402.80, 95,098.70 and 38,435.50 is: 57,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,402.80 : 95,098.70 = 38,435.50 : x
  2. Step 2: Convert to fraction form
    63,402.80/95,098.70 = 38,435.50/x
  3. Step 3: Cross multiply
    63,402.80x = 95,098.70 × 38,435.50
  4. Step 4: Simplify right side
    63,402.80x = 3,655,166,083.85
  5. Step 5: Solve for x
    x = 3,655,166,083.85/63,402.80
  6. Step 6: Final answer
    x = 57,649.92

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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.