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Finding the Fourth Proportional to 8,331.99, 12,496.15 and 2,489.05

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Solution

The fourth proportional to 8,331.99, 12,496.15 and 2,489.05 is: 3,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.99 : 12,496.15 = 2,489.05 : x
  2. Step 2: Convert to fraction form
    8,331.99/12,496.15 = 2,489.05/x
  3. Step 3: Cross multiply
    8,331.99x = 12,496.15 × 2,489.05
  4. Step 4: Simplify right side
    8,331.99x = 31,103,542.16
  5. Step 5: Solve for x
    x = 31,103,542.16/8,331.99
  6. Step 6: Final answer
    x = 3,733.03

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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.