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Finding the Fourth Proportional to 8.96, 13.37 and 8.96

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Solution

The fourth proportional to 8.96, 13.37 and 8.96 is: 13.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.96 : 13.37 = 8.96 : x
  2. Step 2: Convert to fraction form
    8.96/13.37 = 8.96/x
  3. Step 3: Cross multiply
    8.96x = 13.37 × 8.96
  4. Step 4: Simplify right side
    8.96x = 119.68
  5. Step 5: Solve for x
    x = 119.68/8.96
  6. Step 6: Final answer
    x = 13.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.