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Finding the Fourth Proportional to 62,667.87, 93,983.17 and 18,282.70

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Solution

The fourth proportional to 62,667.87, 93,983.17 and 18,282.70 is: 27,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,667.87 : 93,983.17 = 18,282.70 : x
  2. Step 2: Convert to fraction form
    62,667.87/93,983.17 = 18,282.70/x
  3. Step 3: Cross multiply
    62,667.87x = 93,983.17 × 18,282.70
  4. Step 4: Simplify right side
    62,667.87x = 1,718,266,102.16
  5. Step 5: Solve for x
    x = 1,718,266,102.16/62,667.87
  6. Step 6: Final answer
    x = 27,418.61

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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.