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Finding the Fourth Proportional to 36,609, 50,520.60 and 19,842

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Solution

The fourth proportional to 36,609, 50,520.60 and 19,842 is: 27,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,609 : 50,520.60 = 19,842 : x
  2. Step 2: Convert to fraction form
    36,609/50,520.60 = 19,842/x
  3. Step 3: Cross multiply
    36,609x = 50,520.60 × 19,842
  4. Step 4: Simplify right side
    36,609x = 1,002,429,745.20
  5. Step 5: Solve for x
    x = 1,002,429,745.20/36,609
  6. Step 6: Final answer
    x = 27,382.06

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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.