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Finding the Fourth Proportional to 8.22, 11.34 and 6.06

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Solution

The fourth proportional to 8.22, 11.34 and 6.06 is: 8.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.22 : 11.34 = 6.06 : x
  2. Step 2: Convert to fraction form
    8.22/11.34 = 6.06/x
  3. Step 3: Cross multiply
    8.22x = 11.34 × 6.06
  4. Step 4: Simplify right side
    8.22x = 68.72
  5. Step 5: Solve for x
    x = 68.72/8.22
  6. Step 6: Final answer
    x = 8.36

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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.