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Finding the Fourth Proportional to 50.02, 74.86 and 36.52

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Solution

The fourth proportional to 50.02, 74.86 and 36.52 is: 54.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.02 : 74.86 = 36.52 : x
  2. Step 2: Convert to fraction form
    50.02/74.86 = 36.52/x
  3. Step 3: Cross multiply
    50.02x = 74.86 × 36.52
  4. Step 4: Simplify right side
    50.02x = 2,733.61
  5. Step 5: Solve for x
    x = 2,733.61/50.02
  6. Step 6: Final answer
    x = 54.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.