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Finding the Fourth Proportional to 8,758.25, 12,082.21 and 5,926.61

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Solution

The fourth proportional to 8,758.25, 12,082.21 and 5,926.61 is: 8,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.25 : 12,082.21 = 5,926.61 : x
  2. Step 2: Convert to fraction form
    8,758.25/12,082.21 = 5,926.61/x
  3. Step 3: Cross multiply
    8,758.25x = 12,082.21 × 5,926.61
  4. Step 4: Simplify right side
    8,758.25x = 71,606,546.61
  5. Step 5: Solve for x
    x = 71,606,546.61/8,758.25
  6. Step 6: Final answer
    x = 8,175.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.