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Finding the Fourth Proportional to 35.22, 48.62 and 23.61

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Solution

The fourth proportional to 35.22, 48.62 and 23.61 is: 32.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.22 : 48.62 = 23.61 : x
  2. Step 2: Convert to fraction form
    35.22/48.62 = 23.61/x
  3. Step 3: Cross multiply
    35.22x = 48.62 × 23.61
  4. Step 4: Simplify right side
    35.22x = 1,147.92
  5. Step 5: Solve for x
    x = 1,147.92/35.22
  6. Step 6: Final answer
    x = 32.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.