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Finding the Fourth Proportional to 33,379.74, 50,081.16 and 19,351.96

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Solution

The fourth proportional to 33,379.74, 50,081.16 and 19,351.96 is: 29,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,379.74 : 50,081.16 = 19,351.96 : x
  2. Step 2: Convert to fraction form
    33,379.74/50,081.16 = 19,351.96/x
  3. Step 3: Cross multiply
    33,379.74x = 50,081.16 × 19,351.96
  4. Step 4: Simplify right side
    33,379.74x = 969,168,605.07
  5. Step 5: Solve for x
    x = 969,168,605.07/33,379.74
  6. Step 6: Final answer
    x = 29,034.64

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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.