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Finding the Fourth Proportional to 36,930.96, 55,470.96 and 22,167.90

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Solution

The fourth proportional to 36,930.96, 55,470.96 and 22,167.90 is: 33,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.96 : 55,470.96 = 22,167.90 : x
  2. Step 2: Convert to fraction form
    36,930.96/55,470.96 = 22,167.90/x
  3. Step 3: Cross multiply
    36,930.96x = 55,470.96 × 22,167.90
  4. Step 4: Simplify right side
    36,930.96x = 1,229,674,694.18
  5. Step 5: Solve for x
    x = 1,229,674,694.18/36,930.96
  6. Step 6: Final answer
    x = 33,296.58

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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.