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Finding the Fourth Proportional to 46.08, 69.16 and 33.20

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Solution

The fourth proportional to 46.08, 69.16 and 33.20 is: 49.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.08 : 69.16 = 33.20 : x
  2. Step 2: Convert to fraction form
    46.08/69.16 = 33.20/x
  3. Step 3: Cross multiply
    46.08x = 69.16 × 33.20
  4. Step 4: Simplify right side
    46.08x = 2,296.11
  5. Step 5: Solve for x
    x = 2,296.11/46.08
  6. Step 6: Final answer
    x = 49.83

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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.