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Finding the Fourth Proportional to 8,680.62, 13,021.62 and 2,441.16

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Solution

The fourth proportional to 8,680.62, 13,021.62 and 2,441.16 is: 3,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.62 : 13,021.62 = 2,441.16 : x
  2. Step 2: Convert to fraction form
    8,680.62/13,021.62 = 2,441.16/x
  3. Step 3: Cross multiply
    8,680.62x = 13,021.62 × 2,441.16
  4. Step 4: Simplify right side
    8,680.62x = 31,787,857.88
  5. Step 5: Solve for x
    x = 31,787,857.88/8,680.62
  6. Step 6: Final answer
    x = 3,661.93

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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.