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Finding the Fourth Proportional to 2,029.40, 3,044.10 and 796.40

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Solution

The fourth proportional to 2,029.40, 3,044.10 and 796.40 is: 1,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.40 : 3,044.10 = 796.40 : x
  2. Step 2: Convert to fraction form
    2,029.40/3,044.10 = 796.40/x
  3. Step 3: Cross multiply
    2,029.40x = 3,044.10 × 796.40
  4. Step 4: Simplify right side
    2,029.40x = 2,424,321.24
  5. Step 5: Solve for x
    x = 2,424,321.24/2,029.40
  6. Step 6: Final answer
    x = 1,194.60

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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.