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Finding the Fourth Proportional to 16,261, 24,391.56 and 3,949

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Solution

The fourth proportional to 16,261, 24,391.56 and 3,949 is: 5,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261 : 24,391.56 = 3,949 : x
  2. Step 2: Convert to fraction form
    16,261/24,391.56 = 3,949/x
  3. Step 3: Cross multiply
    16,261x = 24,391.56 × 3,949
  4. Step 4: Simplify right side
    16,261x = 96,322,270.44
  5. Step 5: Solve for x
    x = 96,322,270.44/16,261
  6. Step 6: Final answer
    x = 5,923.51

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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.