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Finding the Fourth Proportional to 6.69, 9.24 and 4.54

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Solution

The fourth proportional to 6.69, 9.24 and 4.54 is: 6.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.69 : 9.24 = 4.54 : x
  2. Step 2: Convert to fraction form
    6.69/9.24 = 4.54/x
  3. Step 3: Cross multiply
    6.69x = 9.24 × 4.54
  4. Step 4: Simplify right side
    6.69x = 41.88
  5. Step 5: Solve for x
    x = 41.88/6.69
  6. Step 6: Final answer
    x = 6.26

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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.