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Finding the Fourth Proportional to 3,462.60, 5,198.24 and 3,446.80

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Solution

The fourth proportional to 3,462.60, 5,198.24 and 3,446.80 is: 5,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.60 : 5,198.24 = 3,446.80 : x
  2. Step 2: Convert to fraction form
    3,462.60/5,198.24 = 3,446.80/x
  3. Step 3: Cross multiply
    3,462.60x = 5,198.24 × 3,446.80
  4. Step 4: Simplify right side
    3,462.60x = 17,917,293.63
  5. Step 5: Solve for x
    x = 17,917,293.63/3,462.60
  6. Step 6: Final answer
    x = 5,174.52

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1.5x scale

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.