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Finding the Fourth Proportional to 1,617.92, 2,427.04 and 752.48

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Solution

The fourth proportional to 1,617.92, 2,427.04 and 752.48 is: 1,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.92 : 2,427.04 = 752.48 : x
  2. Step 2: Convert to fraction form
    1,617.92/2,427.04 = 752.48/x
  3. Step 3: Cross multiply
    1,617.92x = 2,427.04 × 752.48
  4. Step 4: Simplify right side
    1,617.92x = 1,826,299.06
  5. Step 5: Solve for x
    x = 1,826,299.06/1,617.92
  6. Step 6: Final answer
    x = 1,128.79

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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.