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Finding the Fourth Proportional to 46.12, 63.62 and 26.70

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Solution

The fourth proportional to 46.12, 63.62 and 26.70 is: 36.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.12 : 63.62 = 26.70 : x
  2. Step 2: Convert to fraction form
    46.12/63.62 = 26.70/x
  3. Step 3: Cross multiply
    46.12x = 63.62 × 26.70
  4. Step 4: Simplify right side
    46.12x = 1,698.65
  5. Step 5: Solve for x
    x = 1,698.65/46.12
  6. Step 6: Final answer
    x = 36.83

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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.