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Finding the Fourth Proportional to 63,761.64, 95,642.46 and 19,388.76

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Solution

The fourth proportional to 63,761.64, 95,642.46 and 19,388.76 is: 29,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.64 : 95,642.46 = 19,388.76 : x
  2. Step 2: Convert to fraction form
    63,761.64/95,642.46 = 19,388.76/x
  3. Step 3: Cross multiply
    63,761.64x = 95,642.46 × 19,388.76
  4. Step 4: Simplify right side
    63,761.64x = 1,854,388,702.75
  5. Step 5: Solve for x
    x = 1,854,388,702.75/63,761.64
  6. Step 6: Final answer
    x = 29,083.14

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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.