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Finding the Fourth Proportional to 5,998.80, 8,998.56 and 1,839.06

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Solution

The fourth proportional to 5,998.80, 8,998.56 and 1,839.06 is: 2,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.80 : 8,998.56 = 1,839.06 : x
  2. Step 2: Convert to fraction form
    5,998.80/8,998.56 = 1,839.06/x
  3. Step 3: Cross multiply
    5,998.80x = 8,998.56 × 1,839.06
  4. Step 4: Simplify right side
    5,998.80x = 16,548,891.75
  5. Step 5: Solve for x
    x = 16,548,891.75/5,998.80
  6. Step 6: Final answer
    x = 2,758.70

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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.