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Finding the Fourth Proportional to 22,512.80, 33,747.60 and 17,512.40

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Solution

The fourth proportional to 22,512.80, 33,747.60 and 17,512.40 is: 26,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.80 : 33,747.60 = 17,512.40 : x
  2. Step 2: Convert to fraction form
    22,512.80/33,747.60 = 17,512.40/x
  3. Step 3: Cross multiply
    22,512.80x = 33,747.60 × 17,512.40
  4. Step 4: Simplify right side
    22,512.80x = 591,001,470.24
  5. Step 5: Solve for x
    x = 591,001,470.24/22,512.80
  6. Step 6: Final answer
    x = 26,251.80

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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.