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Finding the Fourth Proportional to 23.40, 32.07 and 23.27

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Solution

The fourth proportional to 23.40, 32.07 and 23.27 is: 31.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.40 : 32.07 = 23.27 : x
  2. Step 2: Convert to fraction form
    23.40/32.07 = 23.27/x
  3. Step 3: Cross multiply
    23.40x = 32.07 × 23.27
  4. Step 4: Simplify right side
    23.40x = 746.11
  5. Step 5: Solve for x
    x = 746.11/23.40
  6. Step 6: Final answer
    x = 31.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.