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Finding the Fourth Proportional to 12,252.87, 16,912.82 and 6,951.21

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Solution

The fourth proportional to 12,252.87, 16,912.82 and 6,951.21 is: 9,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.87 : 16,912.82 = 6,951.21 : x
  2. Step 2: Convert to fraction form
    12,252.87/16,912.82 = 6,951.21/x
  3. Step 3: Cross multiply
    12,252.87x = 16,912.82 × 6,951.21
  4. Step 4: Simplify right side
    12,252.87x = 117,564,528.76
  5. Step 5: Solve for x
    x = 117,564,528.76/12,252.87
  6. Step 6: Final answer
    x = 9,594.86

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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.