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Finding the Fourth Proportional to 9,998.56, 14,993.20 and 5,839.80

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Solution

The fourth proportional to 9,998.56, 14,993.20 and 5,839.80 is: 8,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.56 : 14,993.20 = 5,839.80 : x
  2. Step 2: Convert to fraction form
    9,998.56/14,993.20 = 5,839.80/x
  3. Step 3: Cross multiply
    9,998.56x = 14,993.20 × 5,839.80
  4. Step 4: Simplify right side
    9,998.56x = 87,557,289.36
  5. Step 5: Solve for x
    x = 87,557,289.36/9,998.56
  6. Step 6: Final answer
    x = 8,756.99

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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.