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Finding the Fourth Proportional to 43,961.82, 65,942.81 and 10,681.91

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Solution

The fourth proportional to 43,961.82, 65,942.81 and 10,681.91 is: 16,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,961.82 : 65,942.81 = 10,681.91 : x
  2. Step 2: Convert to fraction form
    43,961.82/65,942.81 = 10,681.91/x
  3. Step 3: Cross multiply
    43,961.82x = 65,942.81 × 10,681.91
  4. Step 4: Simplify right side
    43,961.82x = 704,394,943.30
  5. Step 5: Solve for x
    x = 704,394,943.30/43,961.82
  6. Step 6: Final answer
    x = 16,022.88

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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.