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Finding the Fourth Proportional to 69,620.84, 96,076.42 and 37,787.88

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Solution

The fourth proportional to 69,620.84, 96,076.42 and 37,787.88 is: 52,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.84 : 96,076.42 = 37,787.88 : x
  2. Step 2: Convert to fraction form
    69,620.84/96,076.42 = 37,787.88/x
  3. Step 3: Cross multiply
    69,620.84x = 96,076.42 × 37,787.88
  4. Step 4: Simplify right side
    69,620.84x = 3,630,524,229.79
  5. Step 5: Solve for x
    x = 3,630,524,229.79/69,620.84
  6. Step 6: Final answer
    x = 52,147.09

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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.