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Finding the Fourth Proportional to 63,481.46, 95,265.99 and 21,928.46

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Solution

The fourth proportional to 63,481.46, 95,265.99 and 21,928.46 is: 32,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,481.46 : 95,265.99 = 21,928.46 : x
  2. Step 2: Convert to fraction form
    63,481.46/95,265.99 = 21,928.46/x
  3. Step 3: Cross multiply
    63,481.46x = 95,265.99 × 21,928.46
  4. Step 4: Simplify right side
    63,481.46x = 2,089,035,974.75
  5. Step 5: Solve for x
    x = 2,089,035,974.75/63,481.46
  6. Step 6: Final answer
    x = 32,907.81

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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.