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Finding the Fourth Proportional to 8,963.92, 13,446.38 and 2,724.13

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Solution

The fourth proportional to 8,963.92, 13,446.38 and 2,724.13 is: 4,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.92 : 13,446.38 = 2,724.13 : x
  2. Step 2: Convert to fraction form
    8,963.92/13,446.38 = 2,724.13/x
  3. Step 3: Cross multiply
    8,963.92x = 13,446.38 × 2,724.13
  4. Step 4: Simplify right side
    8,963.92x = 36,629,703.11
  5. Step 5: Solve for x
    x = 36,629,703.11/8,963.92
  6. Step 6: Final answer
    x = 4,086.35

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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.