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Finding the Fourth Proportional to 3,393.44, 4,684.80 and 2,067.44

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Solution

The fourth proportional to 3,393.44, 4,684.80 and 2,067.44 is: 2,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.44 : 4,684.80 = 2,067.44 : x
  2. Step 2: Convert to fraction form
    3,393.44/4,684.80 = 2,067.44/x
  3. Step 3: Cross multiply
    3,393.44x = 4,684.80 × 2,067.44
  4. Step 4: Simplify right side
    3,393.44x = 9,685,542.91
  5. Step 5: Solve for x
    x = 9,685,542.91/3,393.44
  6. Step 6: Final answer
    x = 2,854.20

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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.