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Finding the Fourth Proportional to 23.85, 35.70 and 15.26

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Solution

The fourth proportional to 23.85, 35.70 and 15.26 is: 22.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.85 : 35.70 = 15.26 : x
  2. Step 2: Convert to fraction form
    23.85/35.70 = 15.26/x
  3. Step 3: Cross multiply
    23.85x = 35.70 × 15.26
  4. Step 4: Simplify right side
    23.85x = 544.60
  5. Step 5: Solve for x
    x = 544.60/23.85
  6. Step 6: Final answer
    x = 22.83

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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.