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Finding the Fourth Proportional to 3.50, 4.83 and 3.49

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Solution

The fourth proportional to 3.50, 4.83 and 3.49 is: 4.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.50 : 4.83 = 3.49 : x
  2. Step 2: Convert to fraction form
    3.50/4.83 = 3.49/x
  3. Step 3: Cross multiply
    3.50x = 4.83 × 3.49
  4. Step 4: Simplify right side
    3.50x = 16.84
  5. Step 5: Solve for x
    x = 16.84/3.50
  6. Step 6: Final answer
    x = 4.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.