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Finding the Fourth Proportional to 48,695.20, 72,963.60 and 44,029.60

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Solution

The fourth proportional to 48,695.20, 72,963.60 and 44,029.60 is: 65,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,695.20 : 72,963.60 = 44,029.60 : x
  2. Step 2: Convert to fraction form
    48,695.20/72,963.60 = 44,029.60/x
  3. Step 3: Cross multiply
    48,695.20x = 72,963.60 × 44,029.60
  4. Step 4: Simplify right side
    48,695.20x = 3,212,558,122.56
  5. Step 5: Solve for x
    x = 3,212,558,122.56/48,695.20
  6. Step 6: Final answer
    x = 65,972.79

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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.