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Finding the Fourth Proportional to 43,791.98, 65,701.73 and 18,502.97

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Solution

The fourth proportional to 43,791.98, 65,701.73 and 18,502.97 is: 27,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,791.98 : 65,701.73 = 18,502.97 : x
  2. Step 2: Convert to fraction form
    43,791.98/65,701.73 = 18,502.97/x
  3. Step 3: Cross multiply
    43,791.98x = 65,701.73 × 18,502.97
  4. Step 4: Simplify right side
    43,791.98x = 1,215,676,856.89
  5. Step 5: Solve for x
    x = 1,215,676,856.89/43,791.98
  6. Step 6: Final answer
    x = 27,760.27

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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.