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Finding the Fourth Proportional to 3.49, 4.83 and 3.35

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Solution

The fourth proportional to 3.49, 4.83 and 3.35 is: 4.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.49 : 4.83 = 3.35 : x
  2. Step 2: Convert to fraction form
    3.49/4.83 = 3.35/x
  3. Step 3: Cross multiply
    3.49x = 4.83 × 3.35
  4. Step 4: Simplify right side
    3.49x = 16.17
  5. Step 5: Solve for x
    x = 16.17/3.49
  6. Step 6: Final answer
    x = 4.63

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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.