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Finding the Fourth Proportional to 41,842.61, 62,764.42 and 12,261.04

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Solution

The fourth proportional to 41,842.61, 62,764.42 and 12,261.04 is: 18,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,842.61 : 62,764.42 = 12,261.04 : x
  2. Step 2: Convert to fraction form
    41,842.61/62,764.42 = 12,261.04/x
  3. Step 3: Cross multiply
    41,842.61x = 62,764.42 × 12,261.04
  4. Step 4: Simplify right side
    41,842.61x = 769,557,002.89
  5. Step 5: Solve for x
    x = 769,557,002.89/41,842.61
  6. Step 6: Final answer
    x = 18,391.71

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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.