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Finding the Fourth Proportional to 24,171.90, 33,372.72 and 21,649.56

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Solution

The fourth proportional to 24,171.90, 33,372.72 and 21,649.56 is: 29,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,171.90 : 33,372.72 = 21,649.56 : x
  2. Step 2: Convert to fraction form
    24,171.90/33,372.72 = 21,649.56/x
  3. Step 3: Cross multiply
    24,171.90x = 33,372.72 × 21,649.56
  4. Step 4: Simplify right side
    24,171.90x = 722,504,704.00
  5. Step 5: Solve for x
    x = 722,504,704.00/24,171.90
  6. Step 6: Final answer
    x = 29,890.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.