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Finding the Fourth Proportional to 6,388.83, 8,814.56 and 3,593.79

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Solution

The fourth proportional to 6,388.83, 8,814.56 and 3,593.79 is: 4,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.83 : 8,814.56 = 3,593.79 : x
  2. Step 2: Convert to fraction form
    6,388.83/8,814.56 = 3,593.79/x
  3. Step 3: Cross multiply
    6,388.83x = 8,814.56 × 3,593.79
  4. Step 4: Simplify right side
    6,388.83x = 31,677,659.61
  5. Step 5: Solve for x
    x = 31,677,659.61/6,388.83
  6. Step 6: Final answer
    x = 4,958.29

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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.