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Finding the Fourth Proportional to 8,963.71, 13,446.12 and 2,724.18

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Solution

The fourth proportional to 8,963.71, 13,446.12 and 2,724.18 is: 4,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.71 : 13,446.12 = 2,724.18 : x
  2. Step 2: Convert to fraction form
    8,963.71/13,446.12 = 2,724.18/x
  3. Step 3: Cross multiply
    8,963.71x = 13,446.12 × 2,724.18
  4. Step 4: Simplify right side
    8,963.71x = 36,629,677.03
  5. Step 5: Solve for x
    x = 36,629,677.03/8,963.71
  6. Step 6: Final answer
    x = 4,086.44

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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.