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Finding the Fourth Proportional to 8,651.63, 12,979.61 and 2,495.63

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Solution

The fourth proportional to 8,651.63, 12,979.61 and 2,495.63 is: 3,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.63 : 12,979.61 = 2,495.63 : x
  2. Step 2: Convert to fraction form
    8,651.63/12,979.61 = 2,495.63/x
  3. Step 3: Cross multiply
    8,651.63x = 12,979.61 × 2,495.63
  4. Step 4: Simplify right side
    8,651.63x = 32,392,226.73
  5. Step 5: Solve for x
    x = 32,392,226.73/8,651.63
  6. Step 6: Final answer
    x = 3,744.06

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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.