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Finding the Fourth Proportional to 62,367.84, 86,067.36 and 34,074

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Solution

The fourth proportional to 62,367.84, 86,067.36 and 34,074 is: 47,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,367.84 : 86,067.36 = 34,074 : x
  2. Step 2: Convert to fraction form
    62,367.84/86,067.36 = 34,074/x
  3. Step 3: Cross multiply
    62,367.84x = 86,067.36 × 34,074
  4. Step 4: Simplify right side
    62,367.84x = 2,932,659,224.64
  5. Step 5: Solve for x
    x = 2,932,659,224.64/62,367.84
  6. Step 6: Final answer
    x = 47,021.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.