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Finding the Fourth Proportional to 63,806.85, 88,053.82 and 35,129.41

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Solution

The fourth proportional to 63,806.85, 88,053.82 and 35,129.41 is: 48,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,806.85 : 88,053.82 = 35,129.41 : x
  2. Step 2: Convert to fraction form
    63,806.85/88,053.82 = 35,129.41/x
  3. Step 3: Cross multiply
    63,806.85x = 88,053.82 × 35,129.41
  4. Step 4: Simplify right side
    63,806.85x = 3,093,278,436.89
  5. Step 5: Solve for x
    x = 3,093,278,436.89/63,806.85
  6. Step 6: Final answer
    x = 48,478.78

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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.