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Finding the Fourth Proportional to 50.12, 75.06 and 32.99

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Solution

The fourth proportional to 50.12, 75.06 and 32.99 is: 49.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.12 : 75.06 = 32.99 : x
  2. Step 2: Convert to fraction form
    50.12/75.06 = 32.99/x
  3. Step 3: Cross multiply
    50.12x = 75.06 × 32.99
  4. Step 4: Simplify right side
    50.12x = 2,476.01
  5. Step 5: Solve for x
    x = 2,476.01/50.12
  6. Step 6: Final answer
    x = 49.41

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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.