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Finding the Fourth Proportional to 18,491.52, 27,734.36 and 6,801.92

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Solution

The fourth proportional to 18,491.52, 27,734.36 and 6,801.92 is: 10,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.52 : 27,734.36 = 6,801.92 : x
  2. Step 2: Convert to fraction form
    18,491.52/27,734.36 = 6,801.92/x
  3. Step 3: Cross multiply
    18,491.52x = 27,734.36 × 6,801.92
  4. Step 4: Simplify right side
    18,491.52x = 188,646,897.97
  5. Step 5: Solve for x
    x = 188,646,897.97/18,491.52
  6. Step 6: Final answer
    x = 10,201.81

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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.