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Finding the Fourth Proportional to 8,062.11, 12,069.27 and 7,217.42

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Solution

The fourth proportional to 8,062.11, 12,069.27 and 7,217.42 is: 10,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.11 : 12,069.27 = 7,217.42 : x
  2. Step 2: Convert to fraction form
    8,062.11/12,069.27 = 7,217.42/x
  3. Step 3: Cross multiply
    8,062.11x = 12,069.27 × 7,217.42
  4. Step 4: Simplify right side
    8,062.11x = 87,108,930.34
  5. Step 5: Solve for x
    x = 87,108,930.34/8,062.11
  6. Step 6: Final answer
    x = 10,804.73

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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.