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Finding the Fourth Proportional to 36,893.91, 55,351.49 and 18,179.57

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Solution

The fourth proportional to 36,893.91, 55,351.49 and 18,179.57 is: 27,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.91 : 55,351.49 = 18,179.57 : x
  2. Step 2: Convert to fraction form
    36,893.91/55,351.49 = 18,179.57/x
  3. Step 3: Cross multiply
    36,893.91x = 55,351.49 × 18,179.57
  4. Step 4: Simplify right side
    36,893.91x = 1,006,266,287.06
  5. Step 5: Solve for x
    x = 1,006,266,287.06/36,893.91
  6. Step 6: Final answer
    x = 27,274.59

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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.