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Finding the Fourth Proportional to 22,482.85, 33,724.27 and 6,687.81

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Solution

The fourth proportional to 22,482.85, 33,724.27 and 6,687.81 is: 10,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.85 : 33,724.27 = 6,687.81 : x
  2. Step 2: Convert to fraction form
    22,482.85/33,724.27 = 6,687.81/x
  3. Step 3: Cross multiply
    22,482.85x = 33,724.27 × 6,687.81
  4. Step 4: Simplify right side
    22,482.85x = 225,541,510.15
  5. Step 5: Solve for x
    x = 225,541,510.15/22,482.85
  6. Step 6: Final answer
    x = 10,031.71

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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.