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Finding the Fourth Proportional to 6.27, 9.36 and 4.94

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Solution

The fourth proportional to 6.27, 9.36 and 4.94 is: 7.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.27 : 9.36 = 4.94 : x
  2. Step 2: Convert to fraction form
    6.27/9.36 = 4.94/x
  3. Step 3: Cross multiply
    6.27x = 9.36 × 4.94
  4. Step 4: Simplify right side
    6.27x = 46.24
  5. Step 5: Solve for x
    x = 46.24/6.27
  6. Step 6: Final answer
    x = 7.37

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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.