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Finding the Fourth Proportional to 28,872.92, 43,310.94 and 8,098.04

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Solution

The fourth proportional to 28,872.92, 43,310.94 and 8,098.04 is: 12,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.92 : 43,310.94 = 8,098.04 : x
  2. Step 2: Convert to fraction form
    28,872.92/43,310.94 = 8,098.04/x
  3. Step 3: Cross multiply
    28,872.92x = 43,310.94 × 8,098.04
  4. Step 4: Simplify right side
    28,872.92x = 350,733,724.56
  5. Step 5: Solve for x
    x = 350,733,724.56/28,872.92
  6. Step 6: Final answer
    x = 12,147.50

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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.