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Finding the Fourth Proportional to 8,793.65, 13,186.22 and 3,249.60

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Solution

The fourth proportional to 8,793.65, 13,186.22 and 3,249.60 is: 4,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.65 : 13,186.22 = 3,249.60 : x
  2. Step 2: Convert to fraction form
    8,793.65/13,186.22 = 3,249.60/x
  3. Step 3: Cross multiply
    8,793.65x = 13,186.22 × 3,249.60
  4. Step 4: Simplify right side
    8,793.65x = 42,849,924.26
  5. Step 5: Solve for x
    x = 42,849,924.26/8,793.65
  6. Step 6: Final answer
    x = 4,872.83

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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.