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Finding the Fourth Proportional to 36,896.59, 50,917.12 and 20,129.59

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Solution

The fourth proportional to 36,896.59, 50,917.12 and 20,129.59 is: 27,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.59 : 50,917.12 = 20,129.59 : x
  2. Step 2: Convert to fraction form
    36,896.59/50,917.12 = 20,129.59/x
  3. Step 3: Cross multiply
    36,896.59x = 50,917.12 × 20,129.59
  4. Step 4: Simplify right side
    36,896.59x = 1,024,940,749.58
  5. Step 5: Solve for x
    x = 1,024,940,749.58/36,896.59
  6. Step 6: Final answer
    x = 27,778.74

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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.