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Finding the Fourth Proportional to 1,773.55, 2,447.54 and 1,027.75

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Solution

The fourth proportional to 1,773.55, 2,447.54 and 1,027.75 is: 1,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.55 : 2,447.54 = 1,027.75 : x
  2. Step 2: Convert to fraction form
    1,773.55/2,447.54 = 1,027.75/x
  3. Step 3: Cross multiply
    1,773.55x = 2,447.54 × 1,027.75
  4. Step 4: Simplify right side
    1,773.55x = 2,515,454.10
  5. Step 5: Solve for x
    x = 2,515,454.10/1,773.55
  6. Step 6: Final answer
    x = 1,418.32

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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.