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Finding the Fourth Proportional to 38.63, 52.92 and 37.33

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Solution

The fourth proportional to 38.63, 52.92 and 37.33 is: 51.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.63 : 52.92 = 37.33 : x
  2. Step 2: Convert to fraction form
    38.63/52.92 = 37.33/x
  3. Step 3: Cross multiply
    38.63x = 52.92 × 37.33
  4. Step 4: Simplify right side
    38.63x = 1,975.37
  5. Step 5: Solve for x
    x = 1,975.37/38.63
  6. Step 6: Final answer
    x = 51.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.