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Finding the Fourth Proportional to 41,993.82, 62,991.36 and 10,404

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Solution

The fourth proportional to 41,993.82, 62,991.36 and 10,404 is: 15,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,993.82 : 62,991.36 = 10,404 : x
  2. Step 2: Convert to fraction form
    41,993.82/62,991.36 = 10,404/x
  3. Step 3: Cross multiply
    41,993.82x = 62,991.36 × 10,404
  4. Step 4: Simplify right side
    41,993.82x = 655,362,109.44
  5. Step 5: Solve for x
    x = 655,362,109.44/41,993.82
  6. Step 6: Final answer
    x = 15,606.16

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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.