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Finding the Fourth Proportional to 29,918.67, 44,876.39 and 9,142.17

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Solution

The fourth proportional to 29,918.67, 44,876.39 and 9,142.17 is: 13,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.67 : 44,876.39 = 9,142.17 : x
  2. Step 2: Convert to fraction form
    29,918.67/44,876.39 = 9,142.17/x
  3. Step 3: Cross multiply
    29,918.67x = 44,876.39 × 9,142.17
  4. Step 4: Simplify right side
    29,918.67x = 410,267,540.66
  5. Step 5: Solve for x
    x = 410,267,540.66/29,918.67
  6. Step 6: Final answer
    x = 13,712.76

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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.