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Finding the Fourth Proportional to 8,248.92, 12,375.44 and 2,405.60

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Solution

The fourth proportional to 8,248.92, 12,375.44 and 2,405.60 is: 3,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.92 : 12,375.44 = 2,405.60 : x
  2. Step 2: Convert to fraction form
    8,248.92/12,375.44 = 2,405.60/x
  3. Step 3: Cross multiply
    8,248.92x = 12,375.44 × 2,405.60
  4. Step 4: Simplify right side
    8,248.92x = 29,770,358.46
  5. Step 5: Solve for x
    x = 29,770,358.46/8,248.92
  6. Step 6: Final answer
    x = 3,609.00

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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.