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Finding the Fourth Proportional to 2,992.92, 4,489.41 and 1,867.52

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Solution

The fourth proportional to 2,992.92, 4,489.41 and 1,867.52 is: 2,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.92 : 4,489.41 = 1,867.52 : x
  2. Step 2: Convert to fraction form
    2,992.92/4,489.41 = 1,867.52/x
  3. Step 3: Cross multiply
    2,992.92x = 4,489.41 × 1,867.52
  4. Step 4: Simplify right side
    2,992.92x = 8,384,062.96
  5. Step 5: Solve for x
    x = 8,384,062.96/2,992.92
  6. Step 6: Final answer
    x = 2,801.30

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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.