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Finding the Fourth Proportional to 16,838.34, 25,257.63 and 7,475.85

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Solution

The fourth proportional to 16,838.34, 25,257.63 and 7,475.85 is: 11,213.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.34 : 25,257.63 = 7,475.85 : x
  2. Step 2: Convert to fraction form
    16,838.34/25,257.63 = 7,475.85/x
  3. Step 3: Cross multiply
    16,838.34x = 25,257.63 × 7,475.85
  4. Step 4: Simplify right side
    16,838.34x = 188,822,253.24
  5. Step 5: Solve for x
    x = 188,822,253.24/16,838.34
  6. Step 6: Final answer
    x = 11,213.83

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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.