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Finding the Fourth Proportional to 26,302, 39,472.44 and 12,451

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Solution

The fourth proportional to 26,302, 39,472.44 and 12,451 is: 18,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302 : 39,472.44 = 12,451 : x
  2. Step 2: Convert to fraction form
    26,302/39,472.44 = 12,451/x
  3. Step 3: Cross multiply
    26,302x = 39,472.44 × 12,451
  4. Step 4: Simplify right side
    26,302x = 491,471,350.44
  5. Step 5: Solve for x
    x = 491,471,350.44/26,302
  6. Step 6: Final answer
    x = 18,685.70

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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.