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Finding the Fourth Proportional to 2,044.43, 3,067.05 and 657.66

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Solution

The fourth proportional to 2,044.43, 3,067.05 and 657.66 is: 986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.43 : 3,067.05 = 657.66 : x
  2. Step 2: Convert to fraction form
    2,044.43/3,067.05 = 657.66/x
  3. Step 3: Cross multiply
    2,044.43x = 3,067.05 × 657.66
  4. Step 4: Simplify right side
    2,044.43x = 2,017,076.10
  5. Step 5: Solve for x
    x = 2,017,076.10/2,044.43
  6. Step 6: Final answer
    x = 986.62

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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.