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Finding the Fourth Proportional to 32.54, 44.91 and 19.43

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Solution

The fourth proportional to 32.54, 44.91 and 19.43 is: 26.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.54 : 44.91 = 19.43 : x
  2. Step 2: Convert to fraction form
    32.54/44.91 = 19.43/x
  3. Step 3: Cross multiply
    32.54x = 44.91 × 19.43
  4. Step 4: Simplify right side
    32.54x = 872.28
  5. Step 5: Solve for x
    x = 872.28/32.54
  6. Step 6: Final answer
    x = 26.81

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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.