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Finding the Fourth Proportional to 26,893.20, 40,351.80 and 9,375.60

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Solution

The fourth proportional to 26,893.20, 40,351.80 and 9,375.60 is: 14,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.20 : 40,351.80 = 9,375.60 : x
  2. Step 2: Convert to fraction form
    26,893.20/40,351.80 = 9,375.60/x
  3. Step 3: Cross multiply
    26,893.20x = 40,351.80 × 9,375.60
  4. Step 4: Simplify right side
    26,893.20x = 378,322,336.08
  5. Step 5: Solve for x
    x = 378,322,336.08/26,893.20
  6. Step 6: Final answer
    x = 14,067.58

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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.