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Finding the Fourth Proportional to 3,697.83, 5,129.16 and 3,564.84

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Solution

The fourth proportional to 3,697.83, 5,129.16 and 3,564.84 is: 4,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.83 : 5,129.16 = 3,564.84 : x
  2. Step 2: Convert to fraction form
    3,697.83/5,129.16 = 3,564.84/x
  3. Step 3: Cross multiply
    3,697.83x = 5,129.16 × 3,564.84
  4. Step 4: Simplify right side
    3,697.83x = 18,284,634.73
  5. Step 5: Solve for x
    x = 18,284,634.73/3,697.83
  6. Step 6: Final answer
    x = 4,944.69

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.