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Finding the Fourth Proportional to 32.20, 44.45 and 23.48

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Solution

The fourth proportional to 32.20, 44.45 and 23.48 is: 32.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.20 : 44.45 = 23.48 : x
  2. Step 2: Convert to fraction form
    32.20/44.45 = 23.48/x
  3. Step 3: Cross multiply
    32.20x = 44.45 × 23.48
  4. Step 4: Simplify right side
    32.20x = 1,043.69
  5. Step 5: Solve for x
    x = 1,043.69/32.20
  6. Step 6: Final answer
    x = 32.41

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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.