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Finding the Fourth Proportional to 3,679.04, 5,074.81 and 2,185.94

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Solution

The fourth proportional to 3,679.04, 5,074.81 and 2,185.94 is: 3,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.04 : 5,074.81 = 2,185.94 : x
  2. Step 2: Convert to fraction form
    3,679.04/5,074.81 = 2,185.94/x
  3. Step 3: Cross multiply
    3,679.04x = 5,074.81 × 2,185.94
  4. Step 4: Simplify right side
    3,679.04x = 11,093,199.33
  5. Step 5: Solve for x
    x = 11,093,199.33/3,679.04
  6. Step 6: Final answer
    x = 3,015.25

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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.