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Finding the Fourth Proportional to 38.20, 52.62 and 32.08

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Solution

The fourth proportional to 38.20, 52.62 and 32.08 is: 44.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.20 : 52.62 = 32.08 : x
  2. Step 2: Convert to fraction form
    38.20/52.62 = 32.08/x
  3. Step 3: Cross multiply
    38.20x = 52.62 × 32.08
  4. Step 4: Simplify right side
    38.20x = 1,688.05
  5. Step 5: Solve for x
    x = 1,688.05/38.20
  6. Step 6: Final answer
    x = 44.19

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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.