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Finding the Fourth Proportional to 6.22, 9.38 and 5.94

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Solution

The fourth proportional to 6.22, 9.38 and 5.94 is: 8.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.22 : 9.38 = 5.94 : x
  2. Step 2: Convert to fraction form
    6.22/9.38 = 5.94/x
  3. Step 3: Cross multiply
    6.22x = 9.38 × 5.94
  4. Step 4: Simplify right side
    6.22x = 55.72
  5. Step 5: Solve for x
    x = 55.72/6.22
  6. Step 6: Final answer
    x = 8.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.