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Finding the Fourth Proportional to 23.98, 35.94 and 19.18

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Solution

The fourth proportional to 23.98, 35.94 and 19.18 is: 28.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.98 : 35.94 = 19.18 : x
  2. Step 2: Convert to fraction form
    23.98/35.94 = 19.18/x
  3. Step 3: Cross multiply
    23.98x = 35.94 × 19.18
  4. Step 4: Simplify right side
    23.98x = 689.33
  5. Step 5: Solve for x
    x = 689.33/23.98
  6. Step 6: Final answer
    x = 28.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.