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Finding the Fourth Proportional to 16,691.52, 25,037.28 and 6,828.42

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Solution

The fourth proportional to 16,691.52, 25,037.28 and 6,828.42 is: 10,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.52 : 25,037.28 = 6,828.42 : x
  2. Step 2: Convert to fraction form
    16,691.52/25,037.28 = 6,828.42/x
  3. Step 3: Cross multiply
    16,691.52x = 25,037.28 × 6,828.42
  4. Step 4: Simplify right side
    16,691.52x = 170,965,063.50
  5. Step 5: Solve for x
    x = 170,965,063.50/16,691.52
  6. Step 6: Final answer
    x = 10,242.63

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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.