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Finding the Fourth Proportional to 23.56, 35.30 and 11.52

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Solution

The fourth proportional to 23.56, 35.30 and 11.52 is: 17.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.56 : 35.30 = 11.52 : x
  2. Step 2: Convert to fraction form
    23.56/35.30 = 11.52/x
  3. Step 3: Cross multiply
    23.56x = 35.30 × 11.52
  4. Step 4: Simplify right side
    23.56x = 406.66
  5. Step 5: Solve for x
    x = 406.66/23.56
  6. Step 6: Final answer
    x = 17.26

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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.