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Finding the Fourth Proportional to 8,067.30, 12,087.96 and 6,771.30

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Solution

The fourth proportional to 8,067.30, 12,087.96 and 6,771.30 is: 10,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.30 : 12,087.96 = 6,771.30 : x
  2. Step 2: Convert to fraction form
    8,067.30/12,087.96 = 6,771.30/x
  3. Step 3: Cross multiply
    8,067.30x = 12,087.96 × 6,771.30
  4. Step 4: Simplify right side
    8,067.30x = 81,851,203.55
  5. Step 5: Solve for x
    x = 81,851,203.55/8,067.30
  6. Step 6: Final answer
    x = 10,146.05

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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.