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Finding the Fourth Proportional to 6.11, 8.44 and 4.89

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Solution

The fourth proportional to 6.11, 8.44 and 4.89 is: 6.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.11 : 8.44 = 4.89 : x
  2. Step 2: Convert to fraction form
    6.11/8.44 = 4.89/x
  3. Step 3: Cross multiply
    6.11x = 8.44 × 4.89
  4. Step 4: Simplify right side
    6.11x = 41.29
  5. Step 5: Solve for x
    x = 41.29/6.11
  6. Step 6: Final answer
    x = 6.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.