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Finding the Fourth Proportional to 3,992.27, 5,984.93 and 1,650.81

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Solution

The fourth proportional to 3,992.27, 5,984.93 and 1,650.81 is: 2,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.27 : 5,984.93 = 1,650.81 : x
  2. Step 2: Convert to fraction form
    3,992.27/5,984.93 = 1,650.81/x
  3. Step 3: Cross multiply
    3,992.27x = 5,984.93 × 1,650.81
  4. Step 4: Simplify right side
    3,992.27x = 9,879,974.04
  5. Step 5: Solve for x
    x = 9,879,974.04/3,992.27
  6. Step 6: Final answer
    x = 2,474.78

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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.