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Finding the Fourth Proportional to 8,169.85, 12,255.24 and 2,326

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Solution

The fourth proportional to 8,169.85, 12,255.24 and 2,326 is: 3,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.85 : 12,255.24 = 2,326 : x
  2. Step 2: Convert to fraction form
    8,169.85/12,255.24 = 2,326/x
  3. Step 3: Cross multiply
    8,169.85x = 12,255.24 × 2,326
  4. Step 4: Simplify right side
    8,169.85x = 28,505,688.24
  5. Step 5: Solve for x
    x = 28,505,688.24/8,169.85
  6. Step 6: Final answer
    x = 3,489.13

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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.