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Finding the Fourth Proportional to 1,796.63, 2,695.85 and 822.96

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Solution

The fourth proportional to 1,796.63, 2,695.85 and 822.96 is: 1,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.63 : 2,695.85 = 822.96 : x
  2. Step 2: Convert to fraction form
    1,796.63/2,695.85 = 822.96/x
  3. Step 3: Cross multiply
    1,796.63x = 2,695.85 × 822.96
  4. Step 4: Simplify right side
    1,796.63x = 2,218,576.72
  5. Step 5: Solve for x
    x = 2,218,576.72/1,796.63
  6. Step 6: Final answer
    x = 1,234.85

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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.