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Finding the Fourth Proportional to 36,866, 50,875.08 and 20,099.12

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Solution

The fourth proportional to 36,866, 50,875.08 and 20,099.12 is: 27,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,866 : 50,875.08 = 20,099.12 : x
  2. Step 2: Convert to fraction form
    36,866/50,875.08 = 20,099.12/x
  3. Step 3: Cross multiply
    36,866x = 50,875.08 × 20,099.12
  4. Step 4: Simplify right side
    36,866x = 1,022,544,337.93
  5. Step 5: Solve for x
    x = 1,022,544,337.93/36,866
  6. Step 6: Final answer
    x = 27,736.79

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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.