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Finding the Fourth Proportional to 27.12, 37.46 and 23.48

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Solution

The fourth proportional to 27.12, 37.46 and 23.48 is: 32.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.12 : 37.46 = 23.48 : x
  2. Step 2: Convert to fraction form
    27.12/37.46 = 23.48/x
  3. Step 3: Cross multiply
    27.12x = 37.46 × 23.48
  4. Step 4: Simplify right side
    27.12x = 879.56
  5. Step 5: Solve for x
    x = 879.56/27.12
  6. Step 6: Final answer
    x = 32.43

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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.