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Finding the Fourth Proportional to 2,189.00, 3,020.76 and 1,194.27

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Solution

The fourth proportional to 2,189.00, 3,020.76 and 1,194.27 is: 1,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.00 : 3,020.76 = 1,194.27 : x
  2. Step 2: Convert to fraction form
    2,189.00/3,020.76 = 1,194.27/x
  3. Step 3: Cross multiply
    2,189.00x = 3,020.76 × 1,194.27
  4. Step 4: Simplify right side
    2,189.00x = 3,607,591.72
  5. Step 5: Solve for x
    x = 3,607,591.72/2,189.00
  6. Step 6: Final answer
    x = 1,648.05

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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.