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Finding the Fourth Proportional to 63,861.84, 95,793.75 and 21,167.37

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Solution

The fourth proportional to 63,861.84, 95,793.75 and 21,167.37 is: 31,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,861.84 : 95,793.75 = 21,167.37 : x
  2. Step 2: Convert to fraction form
    63,861.84/95,793.75 = 21,167.37/x
  3. Step 3: Cross multiply
    63,861.84x = 95,793.75 × 21,167.37
  4. Step 4: Simplify right side
    63,861.84x = 2,027,701,749.94
  5. Step 5: Solve for x
    x = 2,027,701,749.94/63,861.84
  6. Step 6: Final answer
    x = 31,751.38

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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.