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Finding the Fourth Proportional to 8,248.62, 12,374.37 and 3,631.50

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Solution

The fourth proportional to 8,248.62, 12,374.37 and 3,631.50 is: 5,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.62 : 12,374.37 = 3,631.50 : x
  2. Step 2: Convert to fraction form
    8,248.62/12,374.37 = 3,631.50/x
  3. Step 3: Cross multiply
    8,248.62x = 12,374.37 × 3,631.50
  4. Step 4: Simplify right side
    8,248.62x = 44,937,524.66
  5. Step 5: Solve for x
    x = 44,937,524.66/8,248.62
  6. Step 6: Final answer
    x = 5,447.88

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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.