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Finding the Fourth Proportional to 8,599.91, 12,901.01 and 3,404.57

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Solution

The fourth proportional to 8,599.91, 12,901.01 and 3,404.57 is: 5,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.91 : 12,901.01 = 3,404.57 : x
  2. Step 2: Convert to fraction form
    8,599.91/12,901.01 = 3,404.57/x
  3. Step 3: Cross multiply
    8,599.91x = 12,901.01 × 3,404.57
  4. Step 4: Simplify right side
    8,599.91x = 43,922,310.09
  5. Step 5: Solve for x
    x = 43,922,310.09/8,599.91
  6. Step 6: Final answer
    x = 5,107.30

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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.