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Finding the Fourth Proportional to 27,400.51, 41,100.49 and 8,680.49

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Solution

The fourth proportional to 27,400.51, 41,100.49 and 8,680.49 is: 13,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.51 : 41,100.49 = 8,680.49 : x
  2. Step 2: Convert to fraction form
    27,400.51/41,100.49 = 8,680.49/x
  3. Step 3: Cross multiply
    27,400.51x = 41,100.49 × 8,680.49
  4. Step 4: Simplify right side
    27,400.51x = 356,772,392.44
  5. Step 5: Solve for x
    x = 356,772,392.44/27,400.51
  6. Step 6: Final answer
    x = 13,020.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.