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Finding the Fourth Proportional to 39,400.80, 54,373.12 and 25,253.65

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Solution

The fourth proportional to 39,400.80, 54,373.12 and 25,253.65 is: 34,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.80 : 54,373.12 = 25,253.65 : x
  2. Step 2: Convert to fraction form
    39,400.80/54,373.12 = 25,253.65/x
  3. Step 3: Cross multiply
    39,400.80x = 54,373.12 × 25,253.65
  4. Step 4: Simplify right side
    39,400.80x = 1,373,119,735.85
  5. Step 5: Solve for x
    x = 1,373,119,735.85/39,400.80
  6. Step 6: Final answer
    x = 34,850.04

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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.