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Finding the Fourth Proportional to 36,976.56, 51,027.52 and 20,209.56

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Solution

The fourth proportional to 36,976.56, 51,027.52 and 20,209.56 is: 27,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.56 : 51,027.52 = 20,209.56 : x
  2. Step 2: Convert to fraction form
    36,976.56/51,027.52 = 20,209.56/x
  3. Step 3: Cross multiply
    36,976.56x = 51,027.52 × 20,209.56
  4. Step 4: Simplify right side
    36,976.56x = 1,031,243,727.09
  5. Step 5: Solve for x
    x = 1,031,243,727.09/36,976.56
  6. Step 6: Final answer
    x = 27,889.12

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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.