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Finding the Fourth Proportional to 5,889.25, 8,832.11 and 1,939.78

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Solution

The fourth proportional to 5,889.25, 8,832.11 and 1,939.78 is: 2,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.25 : 8,832.11 = 1,939.78 : x
  2. Step 2: Convert to fraction form
    5,889.25/8,832.11 = 1,939.78/x
  3. Step 3: Cross multiply
    5,889.25x = 8,832.11 × 1,939.78
  4. Step 4: Simplify right side
    5,889.25x = 17,132,306.18
  5. Step 5: Solve for x
    x = 17,132,306.18/5,889.25
  6. Step 6: Final answer
    x = 2,909.08

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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.