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Finding the Fourth Proportional to 23.81, 35.67 and 17.02

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Solution

The fourth proportional to 23.81, 35.67 and 17.02 is: 25.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.81 : 35.67 = 17.02 : x
  2. Step 2: Convert to fraction form
    23.81/35.67 = 17.02/x
  3. Step 3: Cross multiply
    23.81x = 35.67 × 17.02
  4. Step 4: Simplify right side
    23.81x = 607.10
  5. Step 5: Solve for x
    x = 607.10/23.81
  6. Step 6: Final answer
    x = 25.50

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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.