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Finding the Fourth Proportional to 2,593.78, 3,889.17 and 1,773.05

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Solution

The fourth proportional to 2,593.78, 3,889.17 and 1,773.05 is: 2,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.78 : 3,889.17 = 1,773.05 : x
  2. Step 2: Convert to fraction form
    2,593.78/3,889.17 = 1,773.05/x
  3. Step 3: Cross multiply
    2,593.78x = 3,889.17 × 1,773.05
  4. Step 4: Simplify right side
    2,593.78x = 6,895,673.42
  5. Step 5: Solve for x
    x = 6,895,673.42/2,593.78
  6. Step 6: Final answer
    x = 2,658.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.