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Finding the Fourth Proportional to 8,976.78, 13,464.91 and 2,402.97

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Solution

The fourth proportional to 8,976.78, 13,464.91 and 2,402.97 is: 3,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.78 : 13,464.91 = 2,402.97 : x
  2. Step 2: Convert to fraction form
    8,976.78/13,464.91 = 2,402.97/x
  3. Step 3: Cross multiply
    8,976.78x = 13,464.91 × 2,402.97
  4. Step 4: Simplify right side
    8,976.78x = 32,355,735.74
  5. Step 5: Solve for x
    x = 32,355,735.74/8,976.78
  6. Step 6: Final answer
    x = 3,604.38

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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.