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Finding the Fourth Proportional to 22,487.56, 33,724.93 and 6,691.96

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Solution

The fourth proportional to 22,487.56, 33,724.93 and 6,691.96 is: 10,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.56 : 33,724.93 = 6,691.96 : x
  2. Step 2: Convert to fraction form
    22,487.56/33,724.93 = 6,691.96/x
  3. Step 3: Cross multiply
    22,487.56x = 33,724.93 × 6,691.96
  4. Step 4: Simplify right side
    22,487.56x = 225,685,882.56
  5. Step 5: Solve for x
    x = 225,685,882.56/22,487.56
  6. Step 6: Final answer
    x = 10,036.03

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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.