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Finding the Fourth Proportional to 8,335.50, 12,500.65 and 2,787.56

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Solution

The fourth proportional to 8,335.50, 12,500.65 and 2,787.56 is: 4,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.50 : 12,500.65 = 2,787.56 : x
  2. Step 2: Convert to fraction form
    8,335.50/12,500.65 = 2,787.56/x
  3. Step 3: Cross multiply
    8,335.50x = 12,500.65 × 2,787.56
  4. Step 4: Simplify right side
    8,335.50x = 34,846,311.91
  5. Step 5: Solve for x
    x = 34,846,311.91/8,335.50
  6. Step 6: Final answer
    x = 4,180.47

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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.