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Finding the Fourth Proportional to 8,169.99, 12,255.39 and 2,327.46

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Solution

The fourth proportional to 8,169.99, 12,255.39 and 2,327.46 is: 3,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.99 : 12,255.39 = 2,327.46 : x
  2. Step 2: Convert to fraction form
    8,169.99/12,255.39 = 2,327.46/x
  3. Step 3: Cross multiply
    8,169.99x = 12,255.39 × 2,327.46
  4. Step 4: Simplify right side
    8,169.99x = 28,523,930.01
  5. Step 5: Solve for x
    x = 28,523,930.01/8,169.99
  6. Step 6: Final answer
    x = 3,491.31

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1.5x scale

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.