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Finding the Fourth Proportional to 46.17, 69.12 and 44.15

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Solution

The fourth proportional to 46.17, 69.12 and 44.15 is: 66.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.17 : 69.12 = 44.15 : x
  2. Step 2: Convert to fraction form
    46.17/69.12 = 44.15/x
  3. Step 3: Cross multiply
    46.17x = 69.12 × 44.15
  4. Step 4: Simplify right side
    46.17x = 3,051.30
  5. Step 5: Solve for x
    x = 3,051.30/46.17
  6. Step 6: Final answer
    x = 66.09

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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.