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Finding the Fourth Proportional to 63,764.26, 87,992.31 and 35,469.34

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Solution

The fourth proportional to 63,764.26, 87,992.31 and 35,469.34 is: 48,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,764.26 : 87,992.31 = 35,469.34 : x
  2. Step 2: Convert to fraction form
    63,764.26/87,992.31 = 35,469.34/x
  3. Step 3: Cross multiply
    63,764.26x = 87,992.31 × 35,469.34
  4. Step 4: Simplify right side
    63,764.26x = 3,121,029,160.78
  5. Step 5: Solve for x
    x = 3,121,029,160.78/63,764.26
  6. Step 6: Final answer
    x = 48,946.37

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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.