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Finding the Fourth Proportional to 38.50, 52.97 and 37.02

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Solution

The fourth proportional to 38.50, 52.97 and 37.02 is: 50.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.50 : 52.97 = 37.02 : x
  2. Step 2: Convert to fraction form
    38.50/52.97 = 37.02/x
  3. Step 3: Cross multiply
    38.50x = 52.97 × 37.02
  4. Step 4: Simplify right side
    38.50x = 1,960.95
  5. Step 5: Solve for x
    x = 1,960.95/38.50
  6. Step 6: Final answer
    x = 50.93

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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.