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Finding the Fourth Proportional to 2,773.56, 3,825.18 and 2,183.16

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Solution

The fourth proportional to 2,773.56, 3,825.18 and 2,183.16 is: 3,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.56 : 3,825.18 = 2,183.16 : x
  2. Step 2: Convert to fraction form
    2,773.56/3,825.18 = 2,183.16/x
  3. Step 3: Cross multiply
    2,773.56x = 3,825.18 × 2,183.16
  4. Step 4: Simplify right side
    2,773.56x = 8,350,979.97
  5. Step 5: Solve for x
    x = 8,350,979.97/2,773.56
  6. Step 6: Final answer
    x = 3,010.92

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1.5x scale

Why These Related Problems?

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