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Finding the Fourth Proportional to 2,896.56, 3,999.54 and 2,675.43

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Solution

The fourth proportional to 2,896.56, 3,999.54 and 2,675.43 is: 3,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.56 : 3,999.54 = 2,675.43 : x
  2. Step 2: Convert to fraction form
    2,896.56/3,999.54 = 2,675.43/x
  3. Step 3: Cross multiply
    2,896.56x = 3,999.54 × 2,675.43
  4. Step 4: Simplify right side
    2,896.56x = 10,700,489.30
  5. Step 5: Solve for x
    x = 10,700,489.30/2,896.56
  6. Step 6: Final answer
    x = 3,694.21

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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.