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Finding the Fourth Proportional to 63,806.40, 87,961.56 and 44,884.80

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Solution

The fourth proportional to 63,806.40, 87,961.56 and 44,884.80 is: 61,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,806.40 : 87,961.56 = 44,884.80 : x
  2. Step 2: Convert to fraction form
    63,806.40/87,961.56 = 44,884.80/x
  3. Step 3: Cross multiply
    63,806.40x = 87,961.56 × 44,884.80
  4. Step 4: Simplify right side
    63,806.40x = 3,948,137,028.29
  5. Step 5: Solve for x
    x = 3,948,137,028.29/63,806.40
  6. Step 6: Final answer
    x = 61,876.82

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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.