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Finding the Fourth Proportional to 8,976.98, 13,464.98 and 2,736.47

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Solution

The fourth proportional to 8,976.98, 13,464.98 and 2,736.47 is: 4,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.98 : 13,464.98 = 2,736.47 : x
  2. Step 2: Convert to fraction form
    8,976.98/13,464.98 = 2,736.47/x
  3. Step 3: Cross multiply
    8,976.98x = 13,464.98 × 2,736.47
  4. Step 4: Simplify right side
    8,976.98x = 36,846,513.82
  5. Step 5: Solve for x
    x = 36,846,513.82/8,976.98
  6. Step 6: Final answer
    x = 4,104.56

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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.