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Finding the Fourth Proportional to 33.40, 50.13 and 22

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Solution

The fourth proportional to 33.40, 50.13 and 22 is: 33.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.40 : 50.13 = 22 : x
  2. Step 2: Convert to fraction form
    33.40/50.13 = 22/x
  3. Step 3: Cross multiply
    33.40x = 50.13 × 22
  4. Step 4: Simplify right side
    33.40x = 1,102.86
  5. Step 5: Solve for x
    x = 1,102.86/33.40
  6. Step 6: Final answer
    x = 33.02

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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.