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Finding the Fourth Proportional to 63,076.73, 87,044.02 and 34,782.41

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Solution

The fourth proportional to 63,076.73, 87,044.02 and 34,782.41 is: 47,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,076.73 : 87,044.02 = 34,782.41 : x
  2. Step 2: Convert to fraction form
    63,076.73/87,044.02 = 34,782.41/x
  3. Step 3: Cross multiply
    63,076.73x = 87,044.02 × 34,782.41
  4. Step 4: Simplify right side
    63,076.73x = 3,027,600,791.69
  5. Step 5: Solve for x
    x = 3,027,600,791.69/63,076.73
  6. Step 6: Final answer
    x = 47,998.70

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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.