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Finding the Fourth Proportional to 32.12, 44.33 and 23.72

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Solution

The fourth proportional to 32.12, 44.33 and 23.72 is: 32.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.12 : 44.33 = 23.72 : x
  2. Step 2: Convert to fraction form
    32.12/44.33 = 23.72/x
  3. Step 3: Cross multiply
    32.12x = 44.33 × 23.72
  4. Step 4: Simplify right side
    32.12x = 1,051.48
  5. Step 5: Solve for x
    x = 1,051.48/32.12
  6. Step 6: Final answer
    x = 32.73

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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.