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Finding the Fourth Proportional to 6.35, 9.52 and 4.08

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Solution

The fourth proportional to 6.35, 9.52 and 4.08 is: 6.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.35 : 9.52 = 4.08 : x
  2. Step 2: Convert to fraction form
    6.35/9.52 = 4.08/x
  3. Step 3: Cross multiply
    6.35x = 9.52 × 4.08
  4. Step 4: Simplify right side
    6.35x = 38.87
  5. Step 5: Solve for x
    x = 38.87/6.35
  6. Step 6: Final answer
    x = 6.13

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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.