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Finding the Fourth Proportional to 7.33, 10.97 and 4.31

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Solution

The fourth proportional to 7.33, 10.97 and 4.31 is: 6.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.33 : 10.97 = 4.31 : x
  2. Step 2: Convert to fraction form
    7.33/10.97 = 4.31/x
  3. Step 3: Cross multiply
    7.33x = 10.97 × 4.31
  4. Step 4: Simplify right side
    7.33x = 47.20
  5. Step 5: Solve for x
    x = 47.20/7.33
  6. Step 6: Final answer
    x = 6.44

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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.