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Finding the Fourth Proportional to 8,374.66, 12,562.09 and 2,531.52

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Solution

The fourth proportional to 8,374.66, 12,562.09 and 2,531.52 is: 3,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.66 : 12,562.09 = 2,531.52 : x
  2. Step 2: Convert to fraction form
    8,374.66/12,562.09 = 2,531.52/x
  3. Step 3: Cross multiply
    8,374.66x = 12,562.09 × 2,531.52
  4. Step 4: Simplify right side
    8,374.66x = 31,801,175.75
  5. Step 5: Solve for x
    x = 31,801,175.75/8,374.66
  6. Step 6: Final answer
    x = 3,797.31

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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.