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Finding the Fourth Proportional to 8,326.67, 12,496.17 and 3,944.14

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Solution

The fourth proportional to 8,326.67, 12,496.17 and 3,944.14 is: 5,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.67 : 12,496.17 = 3,944.14 : x
  2. Step 2: Convert to fraction form
    8,326.67/12,496.17 = 3,944.14/x
  3. Step 3: Cross multiply
    8,326.67x = 12,496.17 × 3,944.14
  4. Step 4: Simplify right side
    8,326.67x = 49,286,561.74
  5. Step 5: Solve for x
    x = 49,286,561.74/8,326.67
  6. Step 6: Final answer
    x = 5,919.12

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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.