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Finding the Fourth Proportional to 33,716.80, 50,632.80 and 22,081.60

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Solution

The fourth proportional to 33,716.80, 50,632.80 and 22,081.60 is: 33,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,716.80 : 50,632.80 = 22,081.60 : x
  2. Step 2: Convert to fraction form
    33,716.80/50,632.80 = 22,081.60/x
  3. Step 3: Cross multiply
    33,716.80x = 50,632.80 × 22,081.60
  4. Step 4: Simplify right side
    33,716.80x = 1,118,053,236.48
  5. Step 5: Solve for x
    x = 1,118,053,236.48/33,716.80
  6. Step 6: Final answer
    x = 33,160.12

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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.