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Finding the Fourth Proportional to 5,914.68, 8,872.11 and 2,019.48

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Solution

The fourth proportional to 5,914.68, 8,872.11 and 2,019.48 is: 3,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.68 : 8,872.11 = 2,019.48 : x
  2. Step 2: Convert to fraction form
    5,914.68/8,872.11 = 2,019.48/x
  3. Step 3: Cross multiply
    5,914.68x = 8,872.11 × 2,019.48
  4. Step 4: Simplify right side
    5,914.68x = 17,917,048.70
  5. Step 5: Solve for x
    x = 17,917,048.70/5,914.68
  6. Step 6: Final answer
    x = 3,029.25

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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.