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Finding the Fourth Proportional to 10.43, 14.37 and 7.96

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Solution

The fourth proportional to 10.43, 14.37 and 7.96 is: 10.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.43 : 14.37 = 7.96 : x
  2. Step 2: Convert to fraction form
    10.43/14.37 = 7.96/x
  3. Step 3: Cross multiply
    10.43x = 14.37 × 7.96
  4. Step 4: Simplify right side
    10.43x = 114.44
  5. Step 5: Solve for x
    x = 114.44/10.43
  6. Step 6: Final answer
    x = 10.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.