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Finding the Fourth Proportional to 50.02, 69.10 and 35.44

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Solution

The fourth proportional to 50.02, 69.10 and 35.44 is: 48.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.02 : 69.10 = 35.44 : x
  2. Step 2: Convert to fraction form
    50.02/69.10 = 35.44/x
  3. Step 3: Cross multiply
    50.02x = 69.10 × 35.44
  4. Step 4: Simplify right side
    50.02x = 2,448.90
  5. Step 5: Solve for x
    x = 2,448.90/50.02
  6. Step 6: Final answer
    x = 48.96

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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.