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Finding the Fourth Proportional to 8.97, 13.44 and 4.96

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Solution

The fourth proportional to 8.97, 13.44 and 4.96 is: 7.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.97 : 13.44 = 4.96 : x
  2. Step 2: Convert to fraction form
    8.97/13.44 = 4.96/x
  3. Step 3: Cross multiply
    8.97x = 13.44 × 4.96
  4. Step 4: Simplify right side
    8.97x = 66.66
  5. Step 5: Solve for x
    x = 66.66/8.97
  6. Step 6: Final answer
    x = 7.43

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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.