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Finding the Fourth Proportional to 36,896.50, 50,917.17 and 21,992.50

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Solution

The fourth proportional to 36,896.50, 50,917.17 and 21,992.50 is: 30,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,896.50 : 50,917.17 = 21,992.50 : x
  2. Step 2: Convert to fraction form
    36,896.50/50,917.17 = 21,992.50/x
  3. Step 3: Cross multiply
    36,896.50x = 50,917.17 × 21,992.50
  4. Step 4: Simplify right side
    36,896.50x = 1,119,795,861.23
  5. Step 5: Solve for x
    x = 1,119,795,861.23/36,896.50
  6. Step 6: Final answer
    x = 30,349.65

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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.