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Finding the Fourth Proportional to 47,990.97, 72,351.90 and 44,608.41

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Solution

The fourth proportional to 47,990.97, 72,351.90 and 44,608.41 is: 67,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.97 : 72,351.90 = 44,608.41 : x
  2. Step 2: Convert to fraction form
    47,990.97/72,351.90 = 44,608.41/x
  3. Step 3: Cross multiply
    47,990.97x = 72,351.90 × 44,608.41
  4. Step 4: Simplify right side
    47,990.97x = 3,227,503,219.48
  5. Step 5: Solve for x
    x = 3,227,503,219.48/47,990.97
  6. Step 6: Final answer
    x = 67,252.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.