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Finding the Fourth Proportional to 22,786.61, 34,201.80 and 11,108.03

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Solution

The fourth proportional to 22,786.61, 34,201.80 and 11,108.03 is: 16,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.61 : 34,201.80 = 11,108.03 : x
  2. Step 2: Convert to fraction form
    22,786.61/34,201.80 = 11,108.03/x
  3. Step 3: Cross multiply
    22,786.61x = 34,201.80 × 11,108.03
  4. Step 4: Simplify right side
    22,786.61x = 379,914,620.45
  5. Step 5: Solve for x
    x = 379,914,620.45/22,786.61
  6. Step 6: Final answer
    x = 16,672.71

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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.