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Finding the Fourth Proportional to 38.13, 52.58 and 32.95

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Solution

The fourth proportional to 38.13, 52.58 and 32.95 is: 45.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.13 : 52.58 = 32.95 : x
  2. Step 2: Convert to fraction form
    38.13/52.58 = 32.95/x
  3. Step 3: Cross multiply
    38.13x = 52.58 × 32.95
  4. Step 4: Simplify right side
    38.13x = 1,732.25
  5. Step 5: Solve for x
    x = 1,732.25/38.13
  6. Step 6: Final answer
    x = 45.43

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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.