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Finding the Fourth Proportional to 63,042.75, 86,999.39 and 34,748.44

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Solution

The fourth proportional to 63,042.75, 86,999.39 and 34,748.44 is: 47,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,042.75 : 86,999.39 = 34,748.44 : x
  2. Step 2: Convert to fraction form
    63,042.75/86,999.39 = 34,748.44/x
  3. Step 3: Cross multiply
    63,042.75x = 86,999.39 × 34,748.44
  4. Step 4: Simplify right side
    63,042.75x = 3,023,093,083.45
  5. Step 5: Solve for x
    x = 3,023,093,083.45/63,042.75
  6. Step 6: Final answer
    x = 47,953.06

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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.