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Finding the Fourth Proportional to 32.23, 44.47 and 19.11

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Solution

The fourth proportional to 32.23, 44.47 and 19.11 is: 26.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.23 : 44.47 = 19.11 : x
  2. Step 2: Convert to fraction form
    32.23/44.47 = 19.11/x
  3. Step 3: Cross multiply
    32.23x = 44.47 × 19.11
  4. Step 4: Simplify right side
    32.23x = 849.73
  5. Step 5: Solve for x
    x = 849.73/32.23
  6. Step 6: Final answer
    x = 26.37

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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.