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Finding the Fourth Proportional to 18,593.87, 27,890.62 and 4,553.96

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Solution

The fourth proportional to 18,593.87, 27,890.62 and 4,553.96 is: 6,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.87 : 27,890.62 = 4,553.96 : x
  2. Step 2: Convert to fraction form
    18,593.87/27,890.62 = 4,553.96/x
  3. Step 3: Cross multiply
    18,593.87x = 27,890.62 × 4,553.96
  4. Step 4: Simplify right side
    18,593.87x = 127,012,767.86
  5. Step 5: Solve for x
    x = 127,012,767.86/18,593.87
  6. Step 6: Final answer
    x = 6,830.89

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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.