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Finding the Fourth Proportional to 4.14, 6.23 and 2.64

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Solution

The fourth proportional to 4.14, 6.23 and 2.64 is: 3.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.14 : 6.23 = 2.64 : x
  2. Step 2: Convert to fraction form
    4.14/6.23 = 2.64/x
  3. Step 3: Cross multiply
    4.14x = 6.23 × 2.64
  4. Step 4: Simplify right side
    4.14x = 16.43
  5. Step 5: Solve for x
    x = 16.43/4.14
  6. Step 6: Final answer
    x = 3.97

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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.