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Finding the Fourth Proportional to 1,796.12, 2,694.48 and 822.29

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Solution

The fourth proportional to 1,796.12, 2,694.48 and 822.29 is: 1,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.12 : 2,694.48 = 822.29 : x
  2. Step 2: Convert to fraction form
    1,796.12/2,694.48 = 822.29/x
  3. Step 3: Cross multiply
    1,796.12x = 2,694.48 × 822.29
  4. Step 4: Simplify right side
    1,796.12x = 2,215,647.61
  5. Step 5: Solve for x
    x = 2,215,647.61/1,796.12
  6. Step 6: Final answer
    x = 1,233.58

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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.