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Finding the Fourth Proportional to 8,262.78, 12,388.41 and 3,067.26

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Solution

The fourth proportional to 8,262.78, 12,388.41 and 3,067.26 is: 4,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.78 : 12,388.41 = 3,067.26 : x
  2. Step 2: Convert to fraction form
    8,262.78/12,388.41 = 3,067.26/x
  3. Step 3: Cross multiply
    8,262.78x = 12,388.41 × 3,067.26
  4. Step 4: Simplify right side
    8,262.78x = 37,998,474.46
  5. Step 5: Solve for x
    x = 37,998,474.46/8,262.78
  6. Step 6: Final answer
    x = 4,598.75

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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.