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Finding the Fourth Proportional to 4.24, 6.37 and 2.64

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Solution

The fourth proportional to 4.24, 6.37 and 2.64 is: 3.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.24 : 6.37 = 2.64 : x
  2. Step 2: Convert to fraction form
    4.24/6.37 = 2.64/x
  3. Step 3: Cross multiply
    4.24x = 6.37 × 2.64
  4. Step 4: Simplify right side
    4.24x = 16.79
  5. Step 5: Solve for x
    x = 16.79/4.24
  6. Step 6: Final answer
    x = 3.96

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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.