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Finding the Fourth Proportional to 2,183.16, 3,274.62 and 884.28

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Solution

The fourth proportional to 2,183.16, 3,274.62 and 884.28 is: 1,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.16 : 3,274.62 = 884.28 : x
  2. Step 2: Convert to fraction form
    2,183.16/3,274.62 = 884.28/x
  3. Step 3: Cross multiply
    2,183.16x = 3,274.62 × 884.28
  4. Step 4: Simplify right side
    2,183.16x = 2,895,680.97
  5. Step 5: Solve for x
    x = 2,895,680.97/2,183.16
  6. Step 6: Final answer
    x = 1,326.37

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1.5x scale

Why These Related Problems?

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