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Finding the Fourth Proportional to 36.94, 50.71 and 33.70

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Solution

The fourth proportional to 36.94, 50.71 and 33.70 is: 46.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.94 : 50.71 = 33.70 : x
  2. Step 2: Convert to fraction form
    36.94/50.71 = 33.70/x
  3. Step 3: Cross multiply
    36.94x = 50.71 × 33.70
  4. Step 4: Simplify right side
    36.94x = 1,708.93
  5. Step 5: Solve for x
    x = 1,708.93/36.94
  6. Step 6: Final answer
    x = 46.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.