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Finding the Fourth Proportional to 9.55, 13.23 and 9.41

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Solution

The fourth proportional to 9.55, 13.23 and 9.41 is: 13.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.55 : 13.23 = 9.41 : x
  2. Step 2: Convert to fraction form
    9.55/13.23 = 9.41/x
  3. Step 3: Cross multiply
    9.55x = 13.23 × 9.41
  4. Step 4: Simplify right side
    9.55x = 124.46
  5. Step 5: Solve for x
    x = 124.46/9.55
  6. Step 6: Final answer
    x = 13.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.