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Finding the Fourth Proportional to 57,968.70, 86,823.45 and 44,778.30

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Solution

The fourth proportional to 57,968.70, 86,823.45 and 44,778.30 is: 67,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968.70 : 86,823.45 = 44,778.30 : x
  2. Step 2: Convert to fraction form
    57,968.70/86,823.45 = 44,778.30/x
  3. Step 3: Cross multiply
    57,968.70x = 86,823.45 × 44,778.30
  4. Step 4: Simplify right side
    57,968.70x = 3,887,806,491.14
  5. Step 5: Solve for x
    x = 3,887,806,491.14/57,968.70
  6. Step 6: Final answer
    x = 67,067.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.