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Finding the Fourth Proportional to 1,773.83, 2,447.78 and 1,027.66

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Solution

The fourth proportional to 1,773.83, 2,447.78 and 1,027.66 is: 1,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.83 : 2,447.78 = 1,027.66 : x
  2. Step 2: Convert to fraction form
    1,773.83/2,447.78 = 1,027.66/x
  3. Step 3: Cross multiply
    1,773.83x = 2,447.78 × 1,027.66
  4. Step 4: Simplify right side
    1,773.83x = 2,515,495.81
  5. Step 5: Solve for x
    x = 2,515,495.81/1,773.83
  6. Step 6: Final answer
    x = 1,418.11

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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.