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Finding the Fourth Proportional to 36,676.60, 50,613.86 and 20,764.12

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Solution

The fourth proportional to 36,676.60, 50,613.86 and 20,764.12 is: 28,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676.60 : 50,613.86 = 20,764.12 : x
  2. Step 2: Convert to fraction form
    36,676.60/50,613.86 = 20,764.12/x
  3. Step 3: Cross multiply
    36,676.60x = 50,613.86 × 20,764.12
  4. Step 4: Simplify right side
    36,676.60x = 1,050,952,262.70
  5. Step 5: Solve for x
    x = 1,050,952,262.70/36,676.60
  6. Step 6: Final answer
    x = 28,654.57

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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.