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Finding the Fourth Proportional to 8,474.08, 12,713.88 and 4,092.04

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Solution

The fourth proportional to 8,474.08, 12,713.88 and 4,092.04 is: 6,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.08 : 12,713.88 = 4,092.04 : x
  2. Step 2: Convert to fraction form
    8,474.08/12,713.88 = 4,092.04/x
  3. Step 3: Cross multiply
    8,474.08x = 12,713.88 × 4,092.04
  4. Step 4: Simplify right side
    8,474.08x = 52,025,705.52
  5. Step 5: Solve for x
    x = 52,025,705.52/8,474.08
  6. Step 6: Final answer
    x = 6,139.39

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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.