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Finding the Fourth Proportional to 22,091.68, 33,137.36 and 8,943.86

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Solution

The fourth proportional to 22,091.68, 33,137.36 and 8,943.86 is: 13,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.68 : 33,137.36 = 8,943.86 : x
  2. Step 2: Convert to fraction form
    22,091.68/33,137.36 = 8,943.86/x
  3. Step 3: Cross multiply
    22,091.68x = 33,137.36 × 8,943.86
  4. Step 4: Simplify right side
    22,091.68x = 296,375,908.61
  5. Step 5: Solve for x
    x = 296,375,908.61/22,091.68
  6. Step 6: Final answer
    x = 13,415.73

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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.