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Finding the Fourth Proportional to 9.44, 13.10 and 9.04

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Solution

The fourth proportional to 9.44, 13.10 and 9.04 is: 12.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.44 : 13.10 = 9.04 : x
  2. Step 2: Convert to fraction form
    9.44/13.10 = 9.04/x
  3. Step 3: Cross multiply
    9.44x = 13.10 × 9.04
  4. Step 4: Simplify right side
    9.44x = 118.42
  5. Step 5: Solve for x
    x = 118.42/9.44
  6. Step 6: Final answer
    x = 12.54

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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.