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Finding the Fourth Proportional to 62,679.40, 94,040.70 and 27,644.20

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Solution

The fourth proportional to 62,679.40, 94,040.70 and 27,644.20 is: 41,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.40 : 94,040.70 = 27,644.20 : x
  2. Step 2: Convert to fraction form
    62,679.40/94,040.70 = 27,644.20/x
  3. Step 3: Cross multiply
    62,679.40x = 94,040.70 × 27,644.20
  4. Step 4: Simplify right side
    62,679.40x = 2,599,679,918.94
  5. Step 5: Solve for x
    x = 2,599,679,918.94/62,679.40
  6. Step 6: Final answer
    x = 41,475.83

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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.