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Finding the Fourth Proportional to 62,796.67, 94,152.17 and 20,661.28

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Solution

The fourth proportional to 62,796.67, 94,152.17 and 20,661.28 is: 30,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,796.67 : 94,152.17 = 20,661.28 : x
  2. Step 2: Convert to fraction form
    62,796.67/94,152.17 = 20,661.28/x
  3. Step 3: Cross multiply
    62,796.67x = 94,152.17 × 20,661.28
  4. Step 4: Simplify right side
    62,796.67x = 1,945,304,163.25
  5. Step 5: Solve for x
    x = 1,945,304,163.25/62,796.67
  6. Step 6: Final answer
    x = 30,977.82

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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.