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Finding the Fourth Proportional to 115.93, 173.87 and 33.66

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Solution

The fourth proportional to 115.93, 173.87 and 33.66 is: 50.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.93 : 173.87 = 33.66 : x
  2. Step 2: Convert to fraction form
    115.93/173.87 = 33.66/x
  3. Step 3: Cross multiply
    115.93x = 173.87 × 33.66
  4. Step 4: Simplify right side
    115.93x = 5,852.46
  5. Step 5: Solve for x
    x = 5,852.46/115.93
  6. Step 6: Final answer
    x = 50.48

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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.