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Finding the Fourth Proportional to 8,634.62, 12,951.96 and 2,795.32

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Solution

The fourth proportional to 8,634.62, 12,951.96 and 2,795.32 is: 4,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.62 : 12,951.96 = 2,795.32 : x
  2. Step 2: Convert to fraction form
    8,634.62/12,951.96 = 2,795.32/x
  3. Step 3: Cross multiply
    8,634.62x = 12,951.96 × 2,795.32
  4. Step 4: Simplify right side
    8,634.62x = 36,204,872.83
  5. Step 5: Solve for x
    x = 36,204,872.83/8,634.62
  6. Step 6: Final answer
    x = 4,192.99

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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.