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Finding the Fourth Proportional to 49,093.62, 73,619.46 and 18,678.83

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Solution

The fourth proportional to 49,093.62, 73,619.46 and 18,678.83 is: 28,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,093.62 : 73,619.46 = 18,678.83 : x
  2. Step 2: Convert to fraction form
    49,093.62/73,619.46 = 18,678.83/x
  3. Step 3: Cross multiply
    49,093.62x = 73,619.46 × 18,678.83
  4. Step 4: Simplify right side
    49,093.62x = 1,375,125,240.68
  5. Step 5: Solve for x
    x = 1,375,125,240.68/49,093.62
  6. Step 6: Final answer
    x = 28,010.26

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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.