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Finding the Fourth Proportional to 23.98, 35.95 and 11.15

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Solution

The fourth proportional to 23.98, 35.95 and 11.15 is: 16.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.98 : 35.95 = 11.15 : x
  2. Step 2: Convert to fraction form
    23.98/35.95 = 11.15/x
  3. Step 3: Cross multiply
    23.98x = 35.95 × 11.15
  4. Step 4: Simplify right side
    23.98x = 400.84
  5. Step 5: Solve for x
    x = 400.84/23.98
  6. Step 6: Final answer
    x = 16.72

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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.