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Finding the Fourth Proportional to 7,917.52, 11,874.24 and 2,369.42

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Solution

The fourth proportional to 7,917.52, 11,874.24 and 2,369.42 is: 3,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.52 : 11,874.24 = 2,369.42 : x
  2. Step 2: Convert to fraction form
    7,917.52/11,874.24 = 2,369.42/x
  3. Step 3: Cross multiply
    7,917.52x = 11,874.24 × 2,369.42
  4. Step 4: Simplify right side
    7,917.52x = 28,135,061.74
  5. Step 5: Solve for x
    x = 28,135,061.74/7,917.52
  6. Step 6: Final answer
    x = 3,553.52

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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.