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Finding the Fourth Proportional to 49.84, 74.73 and 24.15

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Solution

The fourth proportional to 49.84, 74.73 and 24.15 is: 36.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.84 : 74.73 = 24.15 : x
  2. Step 2: Convert to fraction form
    49.84/74.73 = 24.15/x
  3. Step 3: Cross multiply
    49.84x = 74.73 × 24.15
  4. Step 4: Simplify right side
    49.84x = 1,805.10
  5. Step 5: Solve for x
    x = 1,805.10/49.84
  6. Step 6: Final answer
    x = 36.22

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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.