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Finding the Fourth Proportional to 27,687.93, 41,548.03 and 11,676.49

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Solution

The fourth proportional to 27,687.93, 41,548.03 and 11,676.49 is: 17,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.93 : 41,548.03 = 11,676.49 : x
  2. Step 2: Convert to fraction form
    27,687.93/41,548.03 = 11,676.49/x
  3. Step 3: Cross multiply
    27,687.93x = 41,548.03 × 11,676.49
  4. Step 4: Simplify right side
    27,687.93x = 485,135,007.33
  5. Step 5: Solve for x
    x = 485,135,007.33/27,687.93
  6. Step 6: Final answer
    x = 17,521.53

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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.