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Finding the Fourth Proportional to 2,044.52, 3,067.14 and 747.80

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Solution

The fourth proportional to 2,044.52, 3,067.14 and 747.80 is: 1,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.52 : 3,067.14 = 747.80 : x
  2. Step 2: Convert to fraction form
    2,044.52/3,067.14 = 747.80/x
  3. Step 3: Cross multiply
    2,044.52x = 3,067.14 × 747.80
  4. Step 4: Simplify right side
    2,044.52x = 2,293,607.29
  5. Step 5: Solve for x
    x = 2,293,607.29/2,044.52
  6. Step 6: Final answer
    x = 1,121.83

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1.5x scale

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.