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Finding the Fourth Proportional to 5,067.28, 6,992.92 and 2,971.44

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Solution

The fourth proportional to 5,067.28, 6,992.92 and 2,971.44 is: 4,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.28 : 6,992.92 = 2,971.44 : x
  2. Step 2: Convert to fraction form
    5,067.28/6,992.92 = 2,971.44/x
  3. Step 3: Cross multiply
    5,067.28x = 6,992.92 × 2,971.44
  4. Step 4: Simplify right side
    5,067.28x = 20,779,042.20
  5. Step 5: Solve for x
    x = 20,779,042.20/5,067.28
  6. Step 6: Final answer
    x = 4,100.63

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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.