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Finding the Fourth Proportional to 71,143.52, 106,731.48 and 24,393.56

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Solution

The fourth proportional to 71,143.52, 106,731.48 and 24,393.56 is: 36,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,143.52 : 106,731.48 = 24,393.56 : x
  2. Step 2: Convert to fraction form
    71,143.52/106,731.48 = 24,393.56/x
  3. Step 3: Cross multiply
    71,143.52x = 106,731.48 × 24,393.56
  4. Step 4: Simplify right side
    71,143.52x = 2,603,560,761.27
  5. Step 5: Solve for x
    x = 2,603,560,761.27/71,143.52
  6. Step 6: Final answer
    x = 36,595.89

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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.