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Finding the Fourth Proportional to 6.10, 8.44 and 5.66

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Solution

The fourth proportional to 6.10, 8.44 and 5.66 is: 7.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.10 : 8.44 = 5.66 : x
  2. Step 2: Convert to fraction form
    6.10/8.44 = 5.66/x
  3. Step 3: Cross multiply
    6.10x = 8.44 × 5.66
  4. Step 4: Simplify right side
    6.10x = 47.77
  5. Step 5: Solve for x
    x = 47.77/6.10
  6. Step 6: Final answer
    x = 7.83

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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.