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Finding the Fourth Proportional to 94.88, 142.29 and 33.99

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Solution

The fourth proportional to 94.88, 142.29 and 33.99 is: 50.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.88 : 142.29 = 33.99 : x
  2. Step 2: Convert to fraction form
    94.88/142.29 = 33.99/x
  3. Step 3: Cross multiply
    94.88x = 142.29 × 33.99
  4. Step 4: Simplify right side
    94.88x = 4,836.44
  5. Step 5: Solve for x
    x = 4,836.44/94.88
  6. Step 6: Final answer
    x = 50.98

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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.