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Finding the Fourth Proportional to 22,487.02, 33,724.65 and 6,687.79

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Solution

The fourth proportional to 22,487.02, 33,724.65 and 6,687.79 is: 10,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.02 : 33,724.65 = 6,687.79 : x
  2. Step 2: Convert to fraction form
    22,487.02/33,724.65 = 6,687.79/x
  3. Step 3: Cross multiply
    22,487.02x = 33,724.65 × 6,687.79
  4. Step 4: Simplify right side
    22,487.02x = 225,543,377.02
  5. Step 5: Solve for x
    x = 225,543,377.02/22,487.02
  6. Step 6: Final answer
    x = 10,029.94

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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.