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Finding the Fourth Proportional to 64,379.64, 96,545.80 and 22,248.92

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Solution

The fourth proportional to 64,379.64, 96,545.80 and 22,248.92 is: 33,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.64 : 96,545.80 = 22,248.92 : x
  2. Step 2: Convert to fraction form
    64,379.64/96,545.80 = 22,248.92/x
  3. Step 3: Cross multiply
    64,379.64x = 96,545.80 × 22,248.92
  4. Step 4: Simplify right side
    64,379.64x = 2,148,039,780.54
  5. Step 5: Solve for x
    x = 2,148,039,780.54/64,379.64
  6. Step 6: Final answer
    x = 33,365.20

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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.