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Finding the Fourth Proportional to 33,400.60, 50,115.30 and 16,984.60

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Solution

The fourth proportional to 33,400.60, 50,115.30 and 16,984.60 is: 25,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.60 : 50,115.30 = 16,984.60 : x
  2. Step 2: Convert to fraction form
    33,400.60/50,115.30 = 16,984.60/x
  3. Step 3: Cross multiply
    33,400.60x = 50,115.30 × 16,984.60
  4. Step 4: Simplify right side
    33,400.60x = 851,188,324.38
  5. Step 5: Solve for x
    x = 851,188,324.38/33,400.60
  6. Step 6: Final answer
    x = 25,484.22

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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.