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Finding the Fourth Proportional to 5,839.62, 8,759.46 and 1,679.70

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Solution

The fourth proportional to 5,839.62, 8,759.46 and 1,679.70 is: 2,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,839.62 : 8,759.46 = 1,679.70 : x
  2. Step 2: Convert to fraction form
    5,839.62/8,759.46 = 1,679.70/x
  3. Step 3: Cross multiply
    5,839.62x = 8,759.46 × 1,679.70
  4. Step 4: Simplify right side
    5,839.62x = 14,713,264.96
  5. Step 5: Solve for x
    x = 14,713,264.96/5,839.62
  6. Step 6: Final answer
    x = 2,519.56

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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.