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Finding the Fourth Proportional to 36,659.45, 50,589.87 and 19,892.45

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Solution

The fourth proportional to 36,659.45, 50,589.87 and 19,892.45 is: 27,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.45 : 50,589.87 = 19,892.45 : x
  2. Step 2: Convert to fraction form
    36,659.45/50,589.87 = 19,892.45/x
  3. Step 3: Cross multiply
    36,659.45x = 50,589.87 × 19,892.45
  4. Step 4: Simplify right side
    36,659.45x = 1,006,356,511.36
  5. Step 5: Solve for x
    x = 1,006,356,511.36/36,659.45
  6. Step 6: Final answer
    x = 27,451.49

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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.