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Finding the Fourth Proportional to 57,659.70, 86,498.46 and 24,379.92

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Solution

The fourth proportional to 57,659.70, 86,498.46 and 24,379.92 is: 36,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,659.70 : 86,498.46 = 24,379.92 : x
  2. Step 2: Convert to fraction form
    57,659.70/86,498.46 = 24,379.92/x
  3. Step 3: Cross multiply
    57,659.70x = 86,498.46 × 24,379.92
  4. Step 4: Simplify right side
    57,659.70x = 2,108,825,534.92
  5. Step 5: Solve for x
    x = 2,108,825,534.92/57,659.70
  6. Step 6: Final answer
    x = 36,573.65

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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.