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Finding the Fourth Proportional to 4.96, 7.41 and 4.85

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Solution

The fourth proportional to 4.96, 7.41 and 4.85 is: 7.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.96 : 7.41 = 4.85 : x
  2. Step 2: Convert to fraction form
    4.96/7.41 = 4.85/x
  3. Step 3: Cross multiply
    4.96x = 7.41 × 4.85
  4. Step 4: Simplify right side
    4.96x = 35.88
  5. Step 5: Solve for x
    x = 35.88/4.96
  6. Step 6: Final answer
    x = 7.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.