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Finding the Fourth Proportional to 3,279.94, 4,526.16 and 1,863.44

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Solution

The fourth proportional to 3,279.94, 4,526.16 and 1,863.44 is: 2,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.94 : 4,526.16 = 1,863.44 : x
  2. Step 2: Convert to fraction form
    3,279.94/4,526.16 = 1,863.44/x
  3. Step 3: Cross multiply
    3,279.94x = 4,526.16 × 1,863.44
  4. Step 4: Simplify right side
    3,279.94x = 8,434,240.40
  5. Step 5: Solve for x
    x = 8,434,240.40/3,279.94
  6. Step 6: Final answer
    x = 2,571.46

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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.