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Finding the Fourth Proportional to 6,278.07, 8,663.78 and 3,625.47

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Solution

The fourth proportional to 6,278.07, 8,663.78 and 3,625.47 is: 5,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.07 : 8,663.78 = 3,625.47 : x
  2. Step 2: Convert to fraction form
    6,278.07/8,663.78 = 3,625.47/x
  3. Step 3: Cross multiply
    6,278.07x = 8,663.78 × 3,625.47
  4. Step 4: Simplify right side
    6,278.07x = 31,410,274.48
  5. Step 5: Solve for x
    x = 31,410,274.48/6,278.07
  6. Step 6: Final answer
    x = 5,003.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.