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Finding the Fourth Proportional to 23,195.69, 34,811.97 and 8,408.82

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Solution

The fourth proportional to 23,195.69, 34,811.97 and 8,408.82 is: 12,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,195.69 : 34,811.97 = 8,408.82 : x
  2. Step 2: Convert to fraction form
    23,195.69/34,811.97 = 8,408.82/x
  3. Step 3: Cross multiply
    23,195.69x = 34,811.97 × 8,408.82
  4. Step 4: Simplify right side
    23,195.69x = 292,727,589.58
  5. Step 5: Solve for x
    x = 292,727,589.58/23,195.69
  6. Step 6: Final answer
    x = 12,619.91

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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.