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Finding the Fourth Proportional to 2,162.52, 2,982.67 and 1,454.13

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Solution

The fourth proportional to 2,162.52, 2,982.67 and 1,454.13 is: 2,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.52 : 2,982.67 = 1,454.13 : x
  2. Step 2: Convert to fraction form
    2,162.52/2,982.67 = 1,454.13/x
  3. Step 3: Cross multiply
    2,162.52x = 2,982.67 × 1,454.13
  4. Step 4: Simplify right side
    2,162.52x = 4,337,189.93
  5. Step 5: Solve for x
    x = 4,337,189.93/2,162.52
  6. Step 6: Final answer
    x = 2,005.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.