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Finding the Fourth Proportional to 11.93, 16.44 and 11.59

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Solution

The fourth proportional to 11.93, 16.44 and 11.59 is: 15.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.93 : 16.44 = 11.59 : x
  2. Step 2: Convert to fraction form
    11.93/16.44 = 11.59/x
  3. Step 3: Cross multiply
    11.93x = 16.44 × 11.59
  4. Step 4: Simplify right side
    11.93x = 190.57
  5. Step 5: Solve for x
    x = 190.57/11.93
  6. Step 6: Final answer
    x = 15.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.