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Finding the Fourth Proportional to 2,016.62, 2,794.14 and 1,972.88

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Solution

The fourth proportional to 2,016.62, 2,794.14 and 1,972.88 is: 2,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.62 : 2,794.14 = 1,972.88 : x
  2. Step 2: Convert to fraction form
    2,016.62/2,794.14 = 1,972.88/x
  3. Step 3: Cross multiply
    2,016.62x = 2,794.14 × 1,972.88
  4. Step 4: Simplify right side
    2,016.62x = 5,512,502.92
  5. Step 5: Solve for x
    x = 5,512,502.92/2,016.62
  6. Step 6: Final answer
    x = 2,733.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.