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Finding the Fourth Proportional to 16,687.31, 25,028.53 and 6,296.63

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Solution

The fourth proportional to 16,687.31, 25,028.53 and 6,296.63 is: 9,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.31 : 25,028.53 = 6,296.63 : x
  2. Step 2: Convert to fraction form
    16,687.31/25,028.53 = 6,296.63/x
  3. Step 3: Cross multiply
    16,687.31x = 25,028.53 × 6,296.63
  4. Step 4: Simplify right side
    16,687.31x = 157,595,251.97
  5. Step 5: Solve for x
    x = 157,595,251.97/16,687.31
  6. Step 6: Final answer
    x = 9,444.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.