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Finding the Fourth Proportional to 1,741.92, 2,610.96 and 828

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Solution

The fourth proportional to 1,741.92, 2,610.96 and 828 is: 1,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.92 : 2,610.96 = 828 : x
  2. Step 2: Convert to fraction form
    1,741.92/2,610.96 = 828/x
  3. Step 3: Cross multiply
    1,741.92x = 2,610.96 × 828
  4. Step 4: Simplify right side
    1,741.92x = 2,161,874.88
  5. Step 5: Solve for x
    x = 2,161,874.88/1,741.92
  6. Step 6: Final answer
    x = 1,241.09

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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.