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Finding the Fourth Proportional to 22,491.52, 33,731.40 and 6,692.29

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Solution

The fourth proportional to 22,491.52, 33,731.40 and 6,692.29 is: 10,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.52 : 33,731.40 = 6,692.29 : x
  2. Step 2: Convert to fraction form
    22,491.52/33,731.40 = 6,692.29/x
  3. Step 3: Cross multiply
    22,491.52x = 33,731.40 × 6,692.29
  4. Step 4: Simplify right side
    22,491.52x = 225,740,310.91
  5. Step 5: Solve for x
    x = 225,740,310.91/22,491.52
  6. Step 6: Final answer
    x = 10,036.69

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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.