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Finding the Fourth Proportional to 5,939.14, 8,901.54 and 2,187.94

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Solution

The fourth proportional to 5,939.14, 8,901.54 and 2,187.94 is: 3,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.14 : 8,901.54 = 2,187.94 : x
  2. Step 2: Convert to fraction form
    5,939.14/8,901.54 = 2,187.94/x
  3. Step 3: Cross multiply
    5,939.14x = 8,901.54 × 2,187.94
  4. Step 4: Simplify right side
    5,939.14x = 19,476,035.43
  5. Step 5: Solve for x
    x = 19,476,035.43/5,939.14
  6. Step 6: Final answer
    x = 3,279.27

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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.