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Finding the Fourth Proportional to 2,786.44, 4,171.02 and 2,017.48

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Solution

The fourth proportional to 2,786.44, 4,171.02 and 2,017.48 is: 3,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.44 : 4,171.02 = 2,017.48 : x
  2. Step 2: Convert to fraction form
    2,786.44/4,171.02 = 2,017.48/x
  3. Step 3: Cross multiply
    2,786.44x = 4,171.02 × 2,017.48
  4. Step 4: Simplify right side
    2,786.44x = 8,414,949.43
  5. Step 5: Solve for x
    x = 8,414,949.43/2,786.44
  6. Step 6: Final answer
    x = 3,019.96

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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.