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Finding the Fourth Proportional to 48,625.92, 72,731.52 and 29,859.84

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Solution

The fourth proportional to 48,625.92, 72,731.52 and 29,859.84 is: 44,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,625.92 : 72,731.52 = 29,859.84 : x
  2. Step 2: Convert to fraction form
    48,625.92/72,731.52 = 29,859.84/x
  3. Step 3: Cross multiply
    48,625.92x = 72,731.52 × 29,859.84
  4. Step 4: Simplify right side
    48,625.92x = 2,171,751,550.16
  5. Step 5: Solve for x
    x = 2,171,751,550.16/48,625.92
  6. Step 6: Final answer
    x = 44,662.43

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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.