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Finding the Fourth Proportional to 8,250.62, 12,376.32 and 2,704.28

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Solution

The fourth proportional to 8,250.62, 12,376.32 and 2,704.28 is: 4,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.62 : 12,376.32 = 2,704.28 : x
  2. Step 2: Convert to fraction form
    8,250.62/12,376.32 = 2,704.28/x
  3. Step 3: Cross multiply
    8,250.62x = 12,376.32 × 2,704.28
  4. Step 4: Simplify right side
    8,250.62x = 33,469,034.65
  5. Step 5: Solve for x
    x = 33,469,034.65/8,250.62
  6. Step 6: Final answer
    x = 4,056.55

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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.