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Finding the Fourth Proportional to 27.17, 37.38 and 23.73

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Solution

The fourth proportional to 27.17, 37.38 and 23.73 is: 32.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.17 : 37.38 = 23.73 : x
  2. Step 2: Convert to fraction form
    27.17/37.38 = 23.73/x
  3. Step 3: Cross multiply
    27.17x = 37.38 × 23.73
  4. Step 4: Simplify right side
    27.17x = 886.84
  5. Step 5: Solve for x
    x = 886.84/27.17
  6. Step 6: Final answer
    x = 32.64

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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.