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Finding the Fourth Proportional to 2,044.70, 3,067.15 and 1,072.70

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Solution

The fourth proportional to 2,044.70, 3,067.15 and 1,072.70 is: 1,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.70 : 3,067.15 = 1,072.70 : x
  2. Step 2: Convert to fraction form
    2,044.70/3,067.15 = 1,072.70/x
  3. Step 3: Cross multiply
    2,044.70x = 3,067.15 × 1,072.70
  4. Step 4: Simplify right side
    2,044.70x = 3,290,131.81
  5. Step 5: Solve for x
    x = 3,290,131.81/2,044.70
  6. Step 6: Final answer
    x = 1,609.10

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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.