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Finding the Fourth Proportional to 33,636.57, 50,447.16 and 9,939.03

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Solution

The fourth proportional to 33,636.57, 50,447.16 and 9,939.03 is: 14,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,636.57 : 50,447.16 = 9,939.03 : x
  2. Step 2: Convert to fraction form
    33,636.57/50,447.16 = 9,939.03/x
  3. Step 3: Cross multiply
    33,636.57x = 50,447.16 × 9,939.03
  4. Step 4: Simplify right side
    33,636.57x = 501,395,836.65
  5. Step 5: Solve for x
    x = 501,395,836.65/33,636.57
  6. Step 6: Final answer
    x = 14,906.27

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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.