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Finding the Fourth Proportional to 35.49, 48.99 and 33.17

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Solution

The fourth proportional to 35.49, 48.99 and 33.17 is: 45.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.49 : 48.99 = 33.17 : x
  2. Step 2: Convert to fraction form
    35.49/48.99 = 33.17/x
  3. Step 3: Cross multiply
    35.49x = 48.99 × 33.17
  4. Step 4: Simplify right side
    35.49x = 1,624.75
  5. Step 5: Solve for x
    x = 1,624.75/35.49
  6. Step 6: Final answer
    x = 45.79

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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.