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Finding the Fourth Proportional to 49.68, 74.46 and 23.96

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Solution

The fourth proportional to 49.68, 74.46 and 23.96 is: 35.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.68 : 74.46 = 23.96 : x
  2. Step 2: Convert to fraction form
    49.68/74.46 = 23.96/x
  3. Step 3: Cross multiply
    49.68x = 74.46 × 23.96
  4. Step 4: Simplify right side
    49.68x = 1,784.06
  5. Step 5: Solve for x
    x = 1,784.06/49.68
  6. Step 6: Final answer
    x = 35.91

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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.