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Finding the Fourth Proportional to 41,067.72, 61,605.48 and 11,485.56

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Solution

The fourth proportional to 41,067.72, 61,605.48 and 11,485.56 is: 17,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,067.72 : 61,605.48 = 11,485.56 : x
  2. Step 2: Convert to fraction form
    41,067.72/61,605.48 = 11,485.56/x
  3. Step 3: Cross multiply
    41,067.72x = 61,605.48 × 11,485.56
  4. Step 4: Simplify right side
    41,067.72x = 707,573,436.87
  5. Step 5: Solve for x
    x = 707,573,436.87/41,067.72
  6. Step 6: Final answer
    x = 17,229.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.