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Finding the Fourth Proportional to 49.93, 74.89 and 22.86

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Solution

The fourth proportional to 49.93, 74.89 and 22.86 is: 34.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.93 : 74.89 = 22.86 : x
  2. Step 2: Convert to fraction form
    49.93/74.89 = 22.86/x
  3. Step 3: Cross multiply
    49.93x = 74.89 × 22.86
  4. Step 4: Simplify right side
    49.93x = 1,711.99
  5. Step 5: Solve for x
    x = 1,711.99/49.93
  6. Step 6: Final answer
    x = 34.29

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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.