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Finding the Fourth Proportional to 62,073.78, 93,119.42 and 19,939.73

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Solution

The fourth proportional to 62,073.78, 93,119.42 and 19,939.73 is: 29,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,073.78 : 93,119.42 = 19,939.73 : x
  2. Step 2: Convert to fraction form
    62,073.78/93,119.42 = 19,939.73/x
  3. Step 3: Cross multiply
    62,073.78x = 93,119.42 × 19,939.73
  4. Step 4: Simplify right side
    62,073.78x = 1,856,776,375.20
  5. Step 5: Solve for x
    x = 1,856,776,375.20/62,073.78
  6. Step 6: Final answer
    x = 29,912.41

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1.5x scale

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.