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Finding the Fourth Proportional to 25,451.87, 35,111.49 and 16,957.94

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Solution

The fourth proportional to 25,451.87, 35,111.49 and 16,957.94 is: 23,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.87 : 35,111.49 = 16,957.94 : x
  2. Step 2: Convert to fraction form
    25,451.87/35,111.49 = 16,957.94/x
  3. Step 3: Cross multiply
    25,451.87x = 35,111.49 × 16,957.94
  4. Step 4: Simplify right side
    25,451.87x = 595,418,540.73
  5. Step 5: Solve for x
    x = 595,418,540.73/25,451.87
  6. Step 6: Final answer
    x = 23,393.90

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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.