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Finding the Fourth Proportional to 41,772, 62,651.94 and 12,181.92

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Solution

The fourth proportional to 41,772, 62,651.94 and 12,181.92 is: 18,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,772 : 62,651.94 = 12,181.92 : x
  2. Step 2: Convert to fraction form
    41,772/62,651.94 = 12,181.92/x
  3. Step 3: Cross multiply
    41,772x = 62,651.94 × 12,181.92
  4. Step 4: Simplify right side
    41,772x = 763,220,920.92
  5. Step 5: Solve for x
    x = 763,220,920.92/41,772
  6. Step 6: Final answer
    x = 18,271.11

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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.