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Finding the Fourth Proportional to 36,676.98, 50,605.83 and 20,757.96

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Solution

The fourth proportional to 36,676.98, 50,605.83 and 20,757.96 is: 28,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676.98 : 50,605.83 = 20,757.96 : x
  2. Step 2: Convert to fraction form
    36,676.98/50,605.83 = 20,757.96/x
  3. Step 3: Cross multiply
    36,676.98x = 50,605.83 × 20,757.96
  4. Step 4: Simplify right side
    36,676.98x = 1,050,473,794.91
  5. Step 5: Solve for x
    x = 1,050,473,794.91/36,676.98
  6. Step 6: Final answer
    x = 28,641.23

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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.