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Finding the Fourth Proportional to 11.33, 16.94 and 9.63

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Solution

The fourth proportional to 11.33, 16.94 and 9.63 is: 14.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.33 : 16.94 = 9.63 : x
  2. Step 2: Convert to fraction form
    11.33/16.94 = 9.63/x
  3. Step 3: Cross multiply
    11.33x = 16.94 × 9.63
  4. Step 4: Simplify right side
    11.33x = 163.16
  5. Step 5: Solve for x
    x = 163.16/11.33
  6. Step 6: Final answer
    x = 14.41

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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.