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Finding the Fourth Proportional to 41,491.80, 62,200.62 and 18,099.72

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Solution

The fourth proportional to 41,491.80, 62,200.62 and 18,099.72 is: 27,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,491.80 : 62,200.62 = 18,099.72 : x
  2. Step 2: Convert to fraction form
    41,491.80/62,200.62 = 18,099.72/x
  3. Step 3: Cross multiply
    41,491.80x = 62,200.62 × 18,099.72
  4. Step 4: Simplify right side
    41,491.80x = 1,125,813,805.83
  5. Step 5: Solve for x
    x = 1,125,813,805.83/41,491.80
  6. Step 6: Final answer
    x = 27,133.40

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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.