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Finding the Fourth Proportional to 17,843.53, 26,745.98 and 11,608

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Solution

The fourth proportional to 17,843.53, 26,745.98 and 11,608 is: 17,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.53 : 26,745.98 = 11,608 : x
  2. Step 2: Convert to fraction form
    17,843.53/26,745.98 = 11,608/x
  3. Step 3: Cross multiply
    17,843.53x = 26,745.98 × 11,608
  4. Step 4: Simplify right side
    17,843.53x = 310,467,335.84
  5. Step 5: Solve for x
    x = 310,467,335.84/17,843.53
  6. Step 6: Final answer
    x = 17,399.43

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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.