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Finding the Fourth Proportional to 24.54, 33.90 and 23.40

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Solution

The fourth proportional to 24.54, 33.90 and 23.40 is: 32.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.54 : 33.90 = 23.40 : x
  2. Step 2: Convert to fraction form
    24.54/33.90 = 23.40/x
  3. Step 3: Cross multiply
    24.54x = 33.90 × 23.40
  4. Step 4: Simplify right side
    24.54x = 793.26
  5. Step 5: Solve for x
    x = 793.26/24.54
  6. Step 6: Final answer
    x = 32.33

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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.