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Finding the Fourth Proportional to 8,633.94, 12,952.17 and 2,791.14

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Solution

The fourth proportional to 8,633.94, 12,952.17 and 2,791.14 is: 4,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.94 : 12,952.17 = 2,791.14 : x
  2. Step 2: Convert to fraction form
    8,633.94/12,952.17 = 2,791.14/x
  3. Step 3: Cross multiply
    8,633.94x = 12,952.17 × 2,791.14
  4. Step 4: Simplify right side
    8,633.94x = 36,151,319.77
  5. Step 5: Solve for x
    x = 36,151,319.77/8,633.94
  6. Step 6: Final answer
    x = 4,187.12

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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.