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Finding the Fourth Proportional to 26,976.44, 40,468.11 and 14,479.32

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Solution

The fourth proportional to 26,976.44, 40,468.11 and 14,479.32 is: 21,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976.44 : 40,468.11 = 14,479.32 : x
  2. Step 2: Convert to fraction form
    26,976.44/40,468.11 = 14,479.32/x
  3. Step 3: Cross multiply
    26,976.44x = 40,468.11 × 14,479.32
  4. Step 4: Simplify right side
    26,976.44x = 585,950,811.94
  5. Step 5: Solve for x
    x = 585,950,811.94/26,976.44
  6. Step 6: Final answer
    x = 21,720.83

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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.