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Finding the Fourth Proportional to 2,190.73, 3,023.22 and 1,196.03

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Solution

The fourth proportional to 2,190.73, 3,023.22 and 1,196.03 is: 1,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.73 : 3,023.22 = 1,196.03 : x
  2. Step 2: Convert to fraction form
    2,190.73/3,023.22 = 1,196.03/x
  3. Step 3: Cross multiply
    2,190.73x = 3,023.22 × 1,196.03
  4. Step 4: Simplify right side
    2,190.73x = 3,615,861.82
  5. Step 5: Solve for x
    x = 3,615,861.82/2,190.73
  6. Step 6: Final answer
    x = 1,650.53

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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.