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Finding the Fourth Proportional to 2,029.88, 3,046.22 and 797.28

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Solution

The fourth proportional to 2,029.88, 3,046.22 and 797.28 is: 1,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.88 : 3,046.22 = 797.28 : x
  2. Step 2: Convert to fraction form
    2,029.88/3,046.22 = 797.28/x
  3. Step 3: Cross multiply
    2,029.88x = 3,046.22 × 797.28
  4. Step 4: Simplify right side
    2,029.88x = 2,428,690.28
  5. Step 5: Solve for x
    x = 2,428,690.28/2,029.88
  6. Step 6: Final answer
    x = 1,196.47

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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.