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Finding the Fourth Proportional to 18,560.52, 27,839.52 and 8,702

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Solution

The fourth proportional to 18,560.52, 27,839.52 and 8,702 is: 13,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.52 : 27,839.52 = 8,702 : x
  2. Step 2: Convert to fraction form
    18,560.52/27,839.52 = 8,702/x
  3. Step 3: Cross multiply
    18,560.52x = 27,839.52 × 8,702
  4. Step 4: Simplify right side
    18,560.52x = 242,259,503.04
  5. Step 5: Solve for x
    x = 242,259,503.04/18,560.52
  6. Step 6: Final answer
    x = 13,052.41

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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.