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Finding the Fourth Proportional to 23.45, 35.18 and 8.24

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Solution

The fourth proportional to 23.45, 35.18 and 8.24 is: 12.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.45 : 35.18 = 8.24 : x
  2. Step 2: Convert to fraction form
    23.45/35.18 = 8.24/x
  3. Step 3: Cross multiply
    23.45x = 35.18 × 8.24
  4. Step 4: Simplify right side
    23.45x = 289.73
  5. Step 5: Solve for x
    x = 289.73/23.45
  6. Step 6: Final answer
    x = 12.35

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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.