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Finding the Fourth Proportional to 8,299.05, 12,448.59 and 2,455.59

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Solution

The fourth proportional to 8,299.05, 12,448.59 and 2,455.59 is: 3,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.05 : 12,448.59 = 2,455.59 : x
  2. Step 2: Convert to fraction form
    8,299.05/12,448.59 = 2,455.59/x
  3. Step 3: Cross multiply
    8,299.05x = 12,448.59 × 2,455.59
  4. Step 4: Simplify right side
    8,299.05x = 30,568,633.12
  5. Step 5: Solve for x
    x = 30,568,633.12/8,299.05
  6. Step 6: Final answer
    x = 3,683.39

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Similar ratio
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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.