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Finding the Fourth Proportional to 58,654.43, 87,993.95 and 25,379.22

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Solution

The fourth proportional to 58,654.43, 87,993.95 and 25,379.22 is: 38,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,654.43 : 87,993.95 = 25,379.22 : x
  2. Step 2: Convert to fraction form
    58,654.43/87,993.95 = 25,379.22/x
  3. Step 3: Cross multiply
    58,654.43x = 87,993.95 × 25,379.22
  4. Step 4: Simplify right side
    58,654.43x = 2,233,217,815.72
  5. Step 5: Solve for x
    x = 2,233,217,815.72/58,654.43
  6. Step 6: Final answer
    x = 38,074.15

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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.