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Finding the Fourth Proportional to 23.87, 32.99 and 22.52

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Solution

The fourth proportional to 23.87, 32.99 and 22.52 is: 31.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.87 : 32.99 = 22.52 : x
  2. Step 2: Convert to fraction form
    23.87/32.99 = 22.52/x
  3. Step 3: Cross multiply
    23.87x = 32.99 × 22.52
  4. Step 4: Simplify right side
    23.87x = 742.66
  5. Step 5: Solve for x
    x = 742.66/23.87
  6. Step 6: Final answer
    x = 31.12

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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.