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Finding the Fourth Proportional to 5,839.44, 8,756.28 and 2,138.88

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Solution

The fourth proportional to 5,839.44, 8,756.28 and 2,138.88 is: 3,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.44 : 8,756.28 = 2,138.88 : x
  2. Step 2: Convert to fraction form
    5,839.44/8,756.28 = 2,138.88/x
  3. Step 3: Cross multiply
    5,839.44x = 8,756.28 × 2,138.88
  4. Step 4: Simplify right side
    5,839.44x = 18,728,632.17
  5. Step 5: Solve for x
    x = 18,728,632.17/5,839.44
  6. Step 6: Final answer
    x = 3,207.27

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1.5x scale

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.