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Finding the Fourth Proportional to 49,131.87, 73,697.80 and 19,549.96

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Solution

The fourth proportional to 49,131.87, 73,697.80 and 19,549.96 is: 29,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,131.87 : 73,697.80 = 19,549.96 : x
  2. Step 2: Convert to fraction form
    49,131.87/73,697.80 = 19,549.96/x
  3. Step 3: Cross multiply
    49,131.87x = 73,697.80 × 19,549.96
  4. Step 4: Simplify right side
    49,131.87x = 1,440,788,845.62
  5. Step 5: Solve for x
    x = 1,440,788,845.62/49,131.87
  6. Step 6: Final answer
    x = 29,324.94

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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.