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Finding the Fourth Proportional to 23.34, 35.01 and 20.34

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Solution

The fourth proportional to 23.34, 35.01 and 20.34 is: 30.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.34 : 35.01 = 20.34 : x
  2. Step 2: Convert to fraction form
    23.34/35.01 = 20.34/x
  3. Step 3: Cross multiply
    23.34x = 35.01 × 20.34
  4. Step 4: Simplify right side
    23.34x = 712.10
  5. Step 5: Solve for x
    x = 712.10/23.34
  6. Step 6: Final answer
    x = 30.51

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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.