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Finding the Fourth Proportional to 2,550.44, 3,516.54 and 1,983.44

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Solution

The fourth proportional to 2,550.44, 3,516.54 and 1,983.44 is: 2,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.44 : 3,516.54 = 1,983.44 : x
  2. Step 2: Convert to fraction form
    2,550.44/3,516.54 = 1,983.44/x
  3. Step 3: Cross multiply
    2,550.44x = 3,516.54 × 1,983.44
  4. Step 4: Simplify right side
    2,550.44x = 6,974,846.10
  5. Step 5: Solve for x
    x = 6,974,846.10/2,550.44
  6. Step 6: Final answer
    x = 2,734.76

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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.