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Finding the Fourth Proportional to 36,892.38, 50,911.42 and 20,125.38

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Solution

The fourth proportional to 36,892.38, 50,911.42 and 20,125.38 is: 27,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.38 : 50,911.42 = 20,125.38 : x
  2. Step 2: Convert to fraction form
    36,892.38/50,911.42 = 20,125.38/x
  3. Step 3: Cross multiply
    36,892.38x = 50,911.42 × 20,125.38
  4. Step 4: Simplify right side
    36,892.38x = 1,024,611,673.84
  5. Step 5: Solve for x
    x = 1,024,611,673.84/36,892.38
  6. Step 6: Final answer
    x = 27,772.99

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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.