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Finding the Fourth Proportional to 36,676.92, 50,615.36 and 20,761.03

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Solution

The fourth proportional to 36,676.92, 50,615.36 and 20,761.03 is: 28,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676.92 : 50,615.36 = 20,761.03 : x
  2. Step 2: Convert to fraction form
    36,676.92/50,615.36 = 20,761.03/x
  3. Step 3: Cross multiply
    36,676.92x = 50,615.36 × 20,761.03
  4. Step 4: Simplify right side
    36,676.92x = 1,050,827,007.42
  5. Step 5: Solve for x
    x = 1,050,827,007.42/36,676.92
  6. Step 6: Final answer
    x = 28,650.91

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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.