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Finding the Fourth Proportional to 50.03, 68.99 and 33.63

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Solution

The fourth proportional to 50.03, 68.99 and 33.63 is: 46.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.03 : 68.99 = 33.63 : x
  2. Step 2: Convert to fraction form
    50.03/68.99 = 33.63/x
  3. Step 3: Cross multiply
    50.03x = 68.99 × 33.63
  4. Step 4: Simplify right side
    50.03x = 2,319.97
  5. Step 5: Solve for x
    x = 2,319.97/50.03
  6. Step 6: Final answer
    x = 46.38

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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.