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Finding the Fourth Proportional to 16,757.90, 25,139.94 and 5,513.87

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Solution

The fourth proportional to 16,757.90, 25,139.94 and 5,513.87 is: 8,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,757.90 : 25,139.94 = 5,513.87 : x
  2. Step 2: Convert to fraction form
    16,757.90/25,139.94 = 5,513.87/x
  3. Step 3: Cross multiply
    16,757.90x = 25,139.94 × 5,513.87
  4. Step 4: Simplify right side
    16,757.90x = 138,618,449.66
  5. Step 5: Solve for x
    x = 138,618,449.66/16,757.90
  6. Step 6: Final answer
    x = 8,271.82

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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.