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Finding the Fourth Proportional to 2,094.91, 2,891.07 and 1,255.75

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Solution

The fourth proportional to 2,094.91, 2,891.07 and 1,255.75 is: 1,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.91 : 2,891.07 = 1,255.75 : x
  2. Step 2: Convert to fraction form
    2,094.91/2,891.07 = 1,255.75/x
  3. Step 3: Cross multiply
    2,094.91x = 2,891.07 × 1,255.75
  4. Step 4: Simplify right side
    2,094.91x = 3,630,461.15
  5. Step 5: Solve for x
    x = 3,630,461.15/2,094.91
  6. Step 6: Final answer
    x = 1,732.99

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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.