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Finding the Fourth Proportional to 9.35, 14.03 and 7.93

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Solution

The fourth proportional to 9.35, 14.03 and 7.93 is: 11.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.35 : 14.03 = 7.93 : x
  2. Step 2: Convert to fraction form
    9.35/14.03 = 7.93/x
  3. Step 3: Cross multiply
    9.35x = 14.03 × 7.93
  4. Step 4: Simplify right side
    9.35x = 111.28
  5. Step 5: Solve for x
    x = 111.28/9.35
  6. Step 6: Final answer
    x = 11.91

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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.