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Finding the Fourth Proportional to 12,364.22, 17,049.84 and 8,591.66

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Solution

The fourth proportional to 12,364.22, 17,049.84 and 8,591.66 is: 11,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.22 : 17,049.84 = 8,591.66 : x
  2. Step 2: Convert to fraction form
    12,364.22/17,049.84 = 8,591.66/x
  3. Step 3: Cross multiply
    12,364.22x = 17,049.84 × 8,591.66
  4. Step 4: Simplify right side
    12,364.22x = 146,486,428.33
  5. Step 5: Solve for x
    x = 146,486,428.33/12,364.22
  6. Step 6: Final answer
    x = 11,847.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.