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Finding the Fourth Proportional to 36.45, 50.22 and 35.34

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Solution

The fourth proportional to 36.45, 50.22 and 35.34 is: 48.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.45 : 50.22 = 35.34 : x
  2. Step 2: Convert to fraction form
    36.45/50.22 = 35.34/x
  3. Step 3: Cross multiply
    36.45x = 50.22 × 35.34
  4. Step 4: Simplify right side
    36.45x = 1,774.59
  5. Step 5: Solve for x
    x = 1,774.59/36.45
  6. Step 6: Final answer
    x = 48.69

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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.