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Finding the Fourth Proportional to 63,361.50, 95,063.34 and 21,245.76

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Solution

The fourth proportional to 63,361.50, 95,063.34 and 21,245.76 is: 31,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,361.50 : 95,063.34 = 21,245.76 : x
  2. Step 2: Convert to fraction form
    63,361.50/95,063.34 = 21,245.76/x
  3. Step 3: Cross multiply
    63,361.50x = 95,063.34 × 21,245.76
  4. Step 4: Simplify right side
    63,361.50x = 2,019,692,906.44
  5. Step 5: Solve for x
    x = 2,019,692,906.44/63,361.50
  6. Step 6: Final answer
    x = 31,875.71

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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.