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Finding the Fourth Proportional to 25,481.87, 35,170.15 and 14,727.20

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Solution

The fourth proportional to 25,481.87, 35,170.15 and 14,727.20 is: 20,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.87 : 35,170.15 = 14,727.20 : x
  2. Step 2: Convert to fraction form
    25,481.87/35,170.15 = 14,727.20/x
  3. Step 3: Cross multiply
    25,481.87x = 35,170.15 × 14,727.20
  4. Step 4: Simplify right side
    25,481.87x = 517,957,833.08
  5. Step 5: Solve for x
    x = 517,957,833.08/25,481.87
  6. Step 6: Final answer
    x = 20,326.53

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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.