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Finding the Fourth Proportional to 63,747.40, 95,624.52 and 19,375.60

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Solution

The fourth proportional to 63,747.40, 95,624.52 and 19,375.60 is: 29,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,747.40 : 95,624.52 = 19,375.60 : x
  2. Step 2: Convert to fraction form
    63,747.40/95,624.52 = 19,375.60/x
  3. Step 3: Cross multiply
    63,747.40x = 95,624.52 × 19,375.60
  4. Step 4: Simplify right side
    63,747.40x = 1,852,782,449.71
  5. Step 5: Solve for x
    x = 1,852,782,449.71/63,747.40
  6. Step 6: Final answer
    x = 29,064.44

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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.