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Finding the Fourth Proportional to 63.99, 96 and 23.42

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Solution

The fourth proportional to 63.99, 96 and 23.42 is: 35.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.99 : 96 = 23.42 : x
  2. Step 2: Convert to fraction form
    63.99/96 = 23.42/x
  3. Step 3: Cross multiply
    63.99x = 96 × 23.42
  4. Step 4: Simplify right side
    63.99x = 2,247.84
  5. Step 5: Solve for x
    x = 2,247.84/63.99
  6. Step 6: Final answer
    x = 35.13

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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.