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Finding the Fourth Proportional to 3,274.08, 4,517.08 and 1,947.60

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Solution

The fourth proportional to 3,274.08, 4,517.08 and 1,947.60 is: 2,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.08 : 4,517.08 = 1,947.60 : x
  2. Step 2: Convert to fraction form
    3,274.08/4,517.08 = 1,947.60/x
  3. Step 3: Cross multiply
    3,274.08x = 4,517.08 × 1,947.60
  4. Step 4: Simplify right side
    3,274.08x = 8,797,460.14
  5. Step 5: Solve for x
    x = 8,797,460.14/3,274.08
  6. Step 6: Final answer
    x = 2,687.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.