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Finding the Fourth Proportional to 18,504.52, 27,752.70 and 8,634.52

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Solution

The fourth proportional to 18,504.52, 27,752.70 and 8,634.52 is: 12,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.52 : 27,752.70 = 8,634.52 : x
  2. Step 2: Convert to fraction form
    18,504.52/27,752.70 = 8,634.52/x
  3. Step 3: Cross multiply
    18,504.52x = 27,752.70 × 8,634.52
  4. Step 4: Simplify right side
    18,504.52x = 239,631,243.20
  5. Step 5: Solve for x
    x = 239,631,243.20/18,504.52
  6. Step 6: Final answer
    x = 12,949.88

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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.