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Finding the Fourth Proportional to 71,679.52, 107,545.56 and 24,945.76

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Solution

The fourth proportional to 71,679.52, 107,545.56 and 24,945.76 is: 37,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,679.52 : 107,545.56 = 24,945.76 : x
  2. Step 2: Convert to fraction form
    71,679.52/107,545.56 = 24,945.76/x
  3. Step 3: Cross multiply
    71,679.52x = 107,545.56 × 24,945.76
  4. Step 4: Simplify right side
    71,679.52x = 2,682,805,728.83
  5. Step 5: Solve for x
    x = 2,682,805,728.83/71,679.52
  6. Step 6: Final answer
    x = 37,427.79

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1.5x scale

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.