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Finding the Fourth Proportional to 45,940.50, 68,885.28 and 17,843.22

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Solution

The fourth proportional to 45,940.50, 68,885.28 and 17,843.22 is: 26,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,940.50 : 68,885.28 = 17,843.22 : x
  2. Step 2: Convert to fraction form
    45,940.50/68,885.28 = 17,843.22/x
  3. Step 3: Cross multiply
    45,940.50x = 68,885.28 × 17,843.22
  4. Step 4: Simplify right side
    45,940.50x = 1,229,135,205.80
  5. Step 5: Solve for x
    x = 1,229,135,205.80/45,940.50
  6. Step 6: Final answer
    x = 26,754.94

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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.