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Finding the Fourth Proportional to 50.37, 69.54 and 35.83

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Solution

The fourth proportional to 50.37, 69.54 and 35.83 is: 49.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.37 : 69.54 = 35.83 : x
  2. Step 2: Convert to fraction form
    50.37/69.54 = 35.83/x
  3. Step 3: Cross multiply
    50.37x = 69.54 × 35.83
  4. Step 4: Simplify right side
    50.37x = 2,491.62
  5. Step 5: Solve for x
    x = 2,491.62/50.37
  6. Step 6: Final answer
    x = 49.47

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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.