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Finding the Fourth Proportional to 22,385.70, 33,542.10 and 16,480.80

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Solution

The fourth proportional to 22,385.70, 33,542.10 and 16,480.80 is: 24,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.70 : 33,542.10 = 16,480.80 : x
  2. Step 2: Convert to fraction form
    22,385.70/33,542.10 = 16,480.80/x
  3. Step 3: Cross multiply
    22,385.70x = 33,542.10 × 16,480.80
  4. Step 4: Simplify right side
    22,385.70x = 552,800,641.68
  5. Step 5: Solve for x
    x = 552,800,641.68/22,385.70
  6. Step 6: Final answer
    x = 24,694.36

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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.