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Finding the Fourth Proportional to 36,976.73, 51,027.87 and 20,209.73

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Solution

The fourth proportional to 36,976.73, 51,027.87 and 20,209.73 is: 27,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.73 : 51,027.87 = 20,209.73 : x
  2. Step 2: Convert to fraction form
    36,976.73/51,027.87 = 20,209.73/x
  3. Step 3: Cross multiply
    36,976.73x = 51,027.87 × 20,209.73
  4. Step 4: Simplify right side
    36,976.73x = 1,031,259,475.18
  5. Step 5: Solve for x
    x = 1,031,259,475.18/36,976.73
  6. Step 6: Final answer
    x = 27,889.42

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1.5x scale

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.