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Finding the Fourth Proportional to 63,198.96, 87,219.17 and 36,349.89

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Solution

The fourth proportional to 63,198.96, 87,219.17 and 36,349.89 is: 50,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,198.96 : 87,219.17 = 36,349.89 : x
  2. Step 2: Convert to fraction form
    63,198.96/87,219.17 = 36,349.89/x
  3. Step 3: Cross multiply
    63,198.96x = 87,219.17 × 36,349.89
  4. Step 4: Simplify right side
    63,198.96x = 3,170,407,053.64
  5. Step 5: Solve for x
    x = 3,170,407,053.64/63,198.96
  6. Step 6: Final answer
    x = 50,165.49

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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.