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Finding the Fourth Proportional to 8,067.96, 11,133.80 and 4,531.20

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Solution

The fourth proportional to 8,067.96, 11,133.80 and 4,531.20 is: 6,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.96 : 11,133.80 = 4,531.20 : x
  2. Step 2: Convert to fraction form
    8,067.96/11,133.80 = 4,531.20/x
  3. Step 3: Cross multiply
    8,067.96x = 11,133.80 × 4,531.20
  4. Step 4: Simplify right side
    8,067.96x = 50,449,451.90
  5. Step 5: Solve for x
    x = 50,449,451.90/8,067.96
  6. Step 6: Final answer
    x = 6,253.06

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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.