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Finding the Fourth Proportional to 5,939.14, 8,908.44 and 2,820.64

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Solution

The fourth proportional to 5,939.14, 8,908.44 and 2,820.64 is: 4,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.14 : 8,908.44 = 2,820.64 : x
  2. Step 2: Convert to fraction form
    5,939.14/8,908.44 = 2,820.64/x
  3. Step 3: Cross multiply
    5,939.14x = 8,908.44 × 2,820.64
  4. Step 4: Simplify right side
    5,939.14x = 25,127,502.20
  5. Step 5: Solve for x
    x = 25,127,502.20/5,939.14
  6. Step 6: Final answer
    x = 4,230.83

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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.