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Finding the Fourth Proportional to 37.79, 52.14 and 36.33

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Solution

The fourth proportional to 37.79, 52.14 and 36.33 is: 50.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.79 : 52.14 = 36.33 : x
  2. Step 2: Convert to fraction form
    37.79/52.14 = 36.33/x
  3. Step 3: Cross multiply
    37.79x = 52.14 × 36.33
  4. Step 4: Simplify right side
    37.79x = 1,894.25
  5. Step 5: Solve for x
    x = 1,894.25/37.79
  6. Step 6: Final answer
    x = 50.13

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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.