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Finding the Fourth Proportional to 3,085.82, 4,257.24 and 1,904.84

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Solution

The fourth proportional to 3,085.82, 4,257.24 and 1,904.84 is: 2,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.82 : 4,257.24 = 1,904.84 : x
  2. Step 2: Convert to fraction form
    3,085.82/4,257.24 = 1,904.84/x
  3. Step 3: Cross multiply
    3,085.82x = 4,257.24 × 1,904.84
  4. Step 4: Simplify right side
    3,085.82x = 8,109,361.04
  5. Step 5: Solve for x
    x = 8,109,361.04/3,085.82
  6. Step 6: Final answer
    x = 2,627.94

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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.