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Finding the Fourth Proportional to 23.23, 35.01 and 23.05

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Solution

The fourth proportional to 23.23, 35.01 and 23.05 is: 34.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.23 : 35.01 = 23.05 : x
  2. Step 2: Convert to fraction form
    23.23/35.01 = 23.05/x
  3. Step 3: Cross multiply
    23.23x = 35.01 × 23.05
  4. Step 4: Simplify right side
    23.23x = 806.98
  5. Step 5: Solve for x
    x = 806.98/23.23
  6. Step 6: Final answer
    x = 34.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.