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Finding the Fourth Proportional to 12,067.70, 18,100.87 and 3,301.97

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Solution

The fourth proportional to 12,067.70, 18,100.87 and 3,301.97 is: 4,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.70 : 18,100.87 = 3,301.97 : x
  2. Step 2: Convert to fraction form
    12,067.70/18,100.87 = 3,301.97/x
  3. Step 3: Cross multiply
    12,067.70x = 18,100.87 × 3,301.97
  4. Step 4: Simplify right side
    12,067.70x = 59,768,566.71
  5. Step 5: Solve for x
    x = 59,768,566.71/12,067.70
  6. Step 6: Final answer
    x = 4,952.77

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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.