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Finding the Fourth Proportional to 36.76, 50.73 and 22

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Solution

The fourth proportional to 36.76, 50.73 and 22 is: 30.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.76 : 50.73 = 22 : x
  2. Step 2: Convert to fraction form
    36.76/50.73 = 22/x
  3. Step 3: Cross multiply
    36.76x = 50.73 × 22
  4. Step 4: Simplify right side
    36.76x = 1,115.95
  5. Step 5: Solve for x
    x = 1,115.95/36.76
  6. Step 6: Final answer
    x = 30.36

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Find fourth proportional to 18.38, 25.36 and 11
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1.5x scale

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.