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Finding the Fourth Proportional to 49,813.62, 74,805.09 and 33,279.90

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Solution

The fourth proportional to 49,813.62, 74,805.09 and 33,279.90 is: 49,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,813.62 : 74,805.09 = 33,279.90 : x
  2. Step 2: Convert to fraction form
    49,813.62/74,805.09 = 33,279.90/x
  3. Step 3: Cross multiply
    49,813.62x = 74,805.09 × 33,279.90
  4. Step 4: Simplify right side
    49,813.62x = 2,489,505,914.69
  5. Step 5: Solve for x
    x = 2,489,505,914.69/49,813.62
  6. Step 6: Final answer
    x = 49,976.41

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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.