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Finding the Fourth Proportional to 1,826.82, 2,739.99 and 731.19

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Solution

The fourth proportional to 1,826.82, 2,739.99 and 731.19 is: 1,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.82 : 2,739.99 = 731.19 : x
  2. Step 2: Convert to fraction form
    1,826.82/2,739.99 = 731.19/x
  3. Step 3: Cross multiply
    1,826.82x = 2,739.99 × 731.19
  4. Step 4: Simplify right side
    1,826.82x = 2,003,466.31
  5. Step 5: Solve for x
    x = 2,003,466.31/1,826.82
  6. Step 6: Final answer
    x = 1,096.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.