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Finding the Fourth Proportional to 4.96, 6.83 and 4.09

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Solution

The fourth proportional to 4.96, 6.83 and 4.09 is: 5.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.96 : 6.83 = 4.09 : x
  2. Step 2: Convert to fraction form
    4.96/6.83 = 4.09/x
  3. Step 3: Cross multiply
    4.96x = 6.83 × 4.09
  4. Step 4: Simplify right side
    4.96x = 27.93
  5. Step 5: Solve for x
    x = 27.93/4.96
  6. Step 6: Final answer
    x = 5.63

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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.