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Finding the Fourth Proportional to 68,067.54, 93,934.15 and 37,855.55

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Solution

The fourth proportional to 68,067.54, 93,934.15 and 37,855.55 is: 52,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067.54 : 93,934.15 = 37,855.55 : x
  2. Step 2: Convert to fraction form
    68,067.54/93,934.15 = 37,855.55/x
  3. Step 3: Cross multiply
    68,067.54x = 93,934.15 × 37,855.55
  4. Step 4: Simplify right side
    68,067.54x = 3,555,929,052.23
  5. Step 5: Solve for x
    x = 3,555,929,052.23/68,067.54
  6. Step 6: Final answer
    x = 52,241.19

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1.5x scale

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.