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Finding the Fourth Proportional to 48,355.65, 72,489.74 and 17,183.61

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Solution

The fourth proportional to 48,355.65, 72,489.74 and 17,183.61 is: 25,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,355.65 : 72,489.74 = 17,183.61 : x
  2. Step 2: Convert to fraction form
    48,355.65/72,489.74 = 17,183.61/x
  3. Step 3: Cross multiply
    48,355.65x = 72,489.74 × 17,183.61
  4. Step 4: Simplify right side
    48,355.65x = 1,245,635,335.24
  5. Step 5: Solve for x
    x = 1,245,635,335.24/48,355.65
  6. Step 6: Final answer
    x = 25,759.87

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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.