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Finding the Fourth Proportional to 62,667.89, 94,040.11 and 27,138.71

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Solution

The fourth proportional to 62,667.89, 94,040.11 and 27,138.71 is: 40,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,667.89 : 94,040.11 = 27,138.71 : x
  2. Step 2: Convert to fraction form
    62,667.89/94,040.11 = 27,138.71/x
  3. Step 3: Cross multiply
    62,667.89x = 94,040.11 × 27,138.71
  4. Step 4: Simplify right side
    62,667.89x = 2,552,127,542.68
  5. Step 5: Solve for x
    x = 2,552,127,542.68/62,667.89
  6. Step 6: Final answer
    x = 40,724.65

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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.