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Finding the Fourth Proportional to 71,658.27, 107,530.61 and 24,943.95

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Solution

The fourth proportional to 71,658.27, 107,530.61 and 24,943.95 is: 37,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,658.27 : 107,530.61 = 24,943.95 : x
  2. Step 2: Convert to fraction form
    71,658.27/107,530.61 = 24,943.95/x
  3. Step 3: Cross multiply
    71,658.27x = 107,530.61 × 24,943.95
  4. Step 4: Simplify right side
    71,658.27x = 2,682,238,034.59
  5. Step 5: Solve for x
    x = 2,682,238,034.59/71,658.27
  6. Step 6: Final answer
    x = 37,430.96

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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.