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Finding the Fourth Proportional to 23.54, 32.46 and 22.90

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Solution

The fourth proportional to 23.54, 32.46 and 22.90 is: 31.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.54 : 32.46 = 22.90 : x
  2. Step 2: Convert to fraction form
    23.54/32.46 = 22.90/x
  3. Step 3: Cross multiply
    23.54x = 32.46 × 22.90
  4. Step 4: Simplify right side
    23.54x = 743.33
  5. Step 5: Solve for x
    x = 743.33/23.54
  6. Step 6: Final answer
    x = 31.58

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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.