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Finding the Fourth Proportional to 11,732.42, 17,600.48 and 3,939.42

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Solution

The fourth proportional to 11,732.42, 17,600.48 and 3,939.42 is: 5,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.42 : 17,600.48 = 3,939.42 : x
  2. Step 2: Convert to fraction form
    11,732.42/17,600.48 = 3,939.42/x
  3. Step 3: Cross multiply
    11,732.42x = 17,600.48 × 3,939.42
  4. Step 4: Simplify right side
    11,732.42x = 69,335,682.92
  5. Step 5: Solve for x
    x = 69,335,682.92/11,732.42
  6. Step 6: Final answer
    x = 5,909.75

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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.