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Finding the Fourth Proportional to 32.73, 45.20 and 32.26

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Solution

The fourth proportional to 32.73, 45.20 and 32.26 is: 44.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.73 : 45.20 = 32.26 : x
  2. Step 2: Convert to fraction form
    32.73/45.20 = 32.26/x
  3. Step 3: Cross multiply
    32.73x = 45.20 × 32.26
  4. Step 4: Simplify right side
    32.73x = 1,458.15
  5. Step 5: Solve for x
    x = 1,458.15/32.73
  6. Step 6: Final answer
    x = 44.55

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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.