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Finding the Fourth Proportional to 8,609.25, 12,912.18 and 2,367.66

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Solution

The fourth proportional to 8,609.25, 12,912.18 and 2,367.66 is: 3,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.25 : 12,912.18 = 2,367.66 : x
  2. Step 2: Convert to fraction form
    8,609.25/12,912.18 = 2,367.66/x
  3. Step 3: Cross multiply
    8,609.25x = 12,912.18 × 2,367.66
  4. Step 4: Simplify right side
    8,609.25x = 30,571,652.10
  5. Step 5: Solve for x
    x = 30,571,652.10/8,609.25
  6. Step 6: Final answer
    x = 3,551.02

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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.