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Finding the Fourth Proportional to 27.18, 37.44 and 23.54

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Solution

The fourth proportional to 27.18, 37.44 and 23.54 is: 32.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.18 : 37.44 = 23.54 : x
  2. Step 2: Convert to fraction form
    27.18/37.44 = 23.54/x
  3. Step 3: Cross multiply
    27.18x = 37.44 × 23.54
  4. Step 4: Simplify right side
    27.18x = 881.15
  5. Step 5: Solve for x
    x = 881.15/27.18
  6. Step 6: Final answer
    x = 32.42

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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.