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Finding the Fourth Proportional to 22,124.88, 33,161.22 and 21,878.28

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Solution

The fourth proportional to 22,124.88, 33,161.22 and 21,878.28 is: 32,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.88 : 33,161.22 = 21,878.28 : x
  2. Step 2: Convert to fraction form
    22,124.88/33,161.22 = 21,878.28/x
  3. Step 3: Cross multiply
    22,124.88x = 33,161.22 × 21,878.28
  4. Step 4: Simplify right side
    22,124.88x = 725,510,456.30
  5. Step 5: Solve for x
    x = 725,510,456.30/22,124.88
  6. Step 6: Final answer
    x = 32,791.61

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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.