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Finding the Fourth Proportional to 6.26, 9.41 and 4.91

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Solution

The fourth proportional to 6.26, 9.41 and 4.91 is: 7.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.26 : 9.41 = 4.91 : x
  2. Step 2: Convert to fraction form
    6.26/9.41 = 4.91/x
  3. Step 3: Cross multiply
    6.26x = 9.41 × 4.91
  4. Step 4: Simplify right side
    6.26x = 46.13
  5. Step 5: Solve for x
    x = 46.13/6.26
  6. Step 6: Final answer
    x = 7.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.