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Finding the Fourth Proportional to 3,462.92, 5,192.01 and 1,983.81

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Solution

The fourth proportional to 3,462.92, 5,192.01 and 1,983.81 is: 2,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.92 : 5,192.01 = 1,983.81 : x
  2. Step 2: Convert to fraction form
    3,462.92/5,192.01 = 1,983.81/x
  3. Step 3: Cross multiply
    3,462.92x = 5,192.01 × 1,983.81
  4. Step 4: Simplify right side
    3,462.92x = 10,299,961.36
  5. Step 5: Solve for x
    x = 10,299,961.36/3,462.92
  6. Step 6: Final answer
    x = 2,974.36

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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.