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Finding the Fourth Proportional to 31,648.88, 43,676.52 and 17,500.88

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Solution

The fourth proportional to 31,648.88, 43,676.52 and 17,500.88 is: 24,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,648.88 : 43,676.52 = 17,500.88 : x
  2. Step 2: Convert to fraction form
    31,648.88/43,676.52 = 17,500.88/x
  3. Step 3: Cross multiply
    31,648.88x = 43,676.52 × 17,500.88
  4. Step 4: Simplify right side
    31,648.88x = 764,377,535.34
  5. Step 5: Solve for x
    x = 764,377,535.34/31,648.88
  6. Step 6: Final answer
    x = 24,151.80

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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.