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Finding the Fourth Proportional to 5,992.92, 8,974.80 and 4,139.10

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Solution

The fourth proportional to 5,992.92, 8,974.80 and 4,139.10 is: 6,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992.92 : 8,974.80 = 4,139.10 : x
  2. Step 2: Convert to fraction form
    5,992.92/8,974.80 = 4,139.10/x
  3. Step 3: Cross multiply
    5,992.92x = 8,974.80 × 4,139.10
  4. Step 4: Simplify right side
    5,992.92x = 37,147,594.68
  5. Step 5: Solve for x
    x = 37,147,594.68/5,992.92
  6. Step 6: Final answer
    x = 6,198.58

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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.