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Finding the Fourth Proportional to 15,237.91, 22,854.43 and 5,375.76

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Solution

The fourth proportional to 15,237.91, 22,854.43 and 5,375.76 is: 8,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.91 : 22,854.43 = 5,375.76 : x
  2. Step 2: Convert to fraction form
    15,237.91/22,854.43 = 5,375.76/x
  3. Step 3: Cross multiply
    15,237.91x = 22,854.43 × 5,375.76
  4. Step 4: Simplify right side
    15,237.91x = 122,859,930.62
  5. Step 5: Solve for x
    x = 122,859,930.62/15,237.91
  6. Step 6: Final answer
    x = 8,062.78

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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.