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Finding the Fourth Proportional to 8,825.66, 13,238.49 and 2,251.90

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Solution

The fourth proportional to 8,825.66, 13,238.49 and 2,251.90 is: 3,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.66 : 13,238.49 = 2,251.90 : x
  2. Step 2: Convert to fraction form
    8,825.66/13,238.49 = 2,251.90/x
  3. Step 3: Cross multiply
    8,825.66x = 13,238.49 × 2,251.90
  4. Step 4: Simplify right side
    8,825.66x = 29,811,767.96
  5. Step 5: Solve for x
    x = 29,811,767.96/8,825.66
  6. Step 6: Final answer
    x = 3,377.85

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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.