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Finding the Fourth Proportional to 11.56, 17.26 and 9.41

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Solution

The fourth proportional to 11.56, 17.26 and 9.41 is: 14.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.56 : 17.26 = 9.41 : x
  2. Step 2: Convert to fraction form
    11.56/17.26 = 9.41/x
  3. Step 3: Cross multiply
    11.56x = 17.26 × 9.41
  4. Step 4: Simplify right side
    11.56x = 162.42
  5. Step 5: Solve for x
    x = 162.42/11.56
  6. Step 6: Final answer
    x = 14.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.