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Finding the Fourth Proportional to 33,689,811.20, 50,460,067.20 and 27,717,843.20

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Solution

The fourth proportional to 33,689,811.20, 50,460,067.20 and 27,717,843.20 is: 41,515,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689,811.20 : 50,460,067.20 = 27,717,843.20 : x
  2. Step 2: Convert to fraction form
    33,689,811.20/50,460,067.20 = 27,717,843.20/x
  3. Step 3: Cross multiply
    33,689,811.20x = 50,460,067.20 × 27,717,843.20
  4. Step 4: Simplify right side
    33,689,811.20x = 1,398,644,230,511,063
  5. Step 5: Solve for x
    x = 1,398,644,230,511,063/33,689,811.20
  6. Step 6: Final answer
    x = 41,515,347.84

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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.