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Finding the Fourth Proportional to 33,728.80, 50,593.20 and 23,879.20

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Solution

The fourth proportional to 33,728.80, 50,593.20 and 23,879.20 is: 35,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.80 : 50,593.20 = 23,879.20 : x
  2. Step 2: Convert to fraction form
    33,728.80/50,593.20 = 23,879.20/x
  3. Step 3: Cross multiply
    33,728.80x = 50,593.20 × 23,879.20
  4. Step 4: Simplify right side
    33,728.80x = 1,208,125,141.44
  5. Step 5: Solve for x
    x = 1,208,125,141.44/33,728.80
  6. Step 6: Final answer
    x = 35,818.80

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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.