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Finding the Fourth Proportional to 11,339,327.43, 17,016,963.03 and 10,255,187.79

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Solution

The fourth proportional to 11,339,327.43, 17,016,963.03 and 10,255,187.79 is: 15,389,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339,327.43 : 17,016,963.03 = 10,255,187.79 : x
  2. Step 2: Convert to fraction form
    11,339,327.43/17,016,963.03 = 10,255,187.79/x
  3. Step 3: Cross multiply
    11,339,327.43x = 17,016,963.03 × 10,255,187.79
  4. Step 4: Simplify right side
    11,339,327.43x = 174,512,151,488,137.41
  5. Step 5: Solve for x
    x = 174,512,151,488,137.41/11,339,327.43
  6. Step 6: Final answer
    x = 15,389,991.39

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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.