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Finding the Fourth Proportional to 63,481.60, 95,231.12 and 21,364.96

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Solution

The fourth proportional to 63,481.60, 95,231.12 and 21,364.96 is: 32,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,481.60 : 95,231.12 = 21,364.96 : x
  2. Step 2: Convert to fraction form
    63,481.60/95,231.12 = 21,364.96/x
  3. Step 3: Cross multiply
    63,481.60x = 95,231.12 × 21,364.96
  4. Step 4: Simplify right side
    63,481.60x = 2,034,609,069.56
  5. Step 5: Solve for x
    x = 2,034,609,069.56/63,481.60
  6. Step 6: Final answer
    x = 32,050.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.