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Finding the Fourth Proportional to 49,234.80, 73,865.40 and 19,673.40

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Solution

The fourth proportional to 49,234.80, 73,865.40 and 19,673.40 is: 29,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,234.80 : 73,865.40 = 19,673.40 : x
  2. Step 2: Convert to fraction form
    49,234.80/73,865.40 = 19,673.40/x
  3. Step 3: Cross multiply
    49,234.80x = 73,865.40 × 19,673.40
  4. Step 4: Simplify right side
    49,234.80x = 1,453,183,560.36
  5. Step 5: Solve for x
    x = 1,453,183,560.36/49,234.80
  6. Step 6: Final answer
    x = 29,515.37

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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.