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Finding the Fourth Proportional to 63,624.96, 87,788.52 and 38,473.92

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Solution

The fourth proportional to 63,624.96, 87,788.52 and 38,473.92 is: 53,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,624.96 : 87,788.52 = 38,473.92 : x
  2. Step 2: Convert to fraction form
    63,624.96/87,788.52 = 38,473.92/x
  3. Step 3: Cross multiply
    63,624.96x = 87,788.52 × 38,473.92
  4. Step 4: Simplify right side
    63,624.96x = 3,377,568,495.40
  5. Step 5: Solve for x
    x = 3,377,568,495.40/63,624.96
  6. Step 6: Final answer
    x = 53,085.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.