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Finding the Fourth Proportional to 25,704.48, 38,553.36 and 8,174.40

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Solution

The fourth proportional to 25,704.48, 38,553.36 and 8,174.40 is: 12,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.48 : 38,553.36 = 8,174.40 : x
  2. Step 2: Convert to fraction form
    25,704.48/38,553.36 = 8,174.40/x
  3. Step 3: Cross multiply
    25,704.48x = 38,553.36 × 8,174.40
  4. Step 4: Simplify right side
    25,704.48x = 315,150,585.98
  5. Step 5: Solve for x
    x = 315,150,585.98/25,704.48
  6. Step 6: Final answer
    x = 12,260.53

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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.