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Finding the Fourth Proportional to 22,161.97, 30,594.80 and 17,114.86

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Solution

The fourth proportional to 22,161.97, 30,594.80 and 17,114.86 is: 23,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.97 : 30,594.80 = 17,114.86 : x
  2. Step 2: Convert to fraction form
    22,161.97/30,594.80 = 17,114.86/x
  3. Step 3: Cross multiply
    22,161.97x = 30,594.80 × 17,114.86
  4. Step 4: Simplify right side
    22,161.97x = 523,625,718.73
  5. Step 5: Solve for x
    x = 523,625,718.73/22,161.97
  6. Step 6: Final answer
    x = 23,627.22

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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.