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Finding the Fourth Proportional to 2,059.81, 3,089.41 and 673.29

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Solution

The fourth proportional to 2,059.81, 3,089.41 and 673.29 is: 1,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.81 : 3,089.41 = 673.29 : x
  2. Step 2: Convert to fraction form
    2,059.81/3,089.41 = 673.29/x
  3. Step 3: Cross multiply
    2,059.81x = 3,089.41 × 673.29
  4. Step 4: Simplify right side
    2,059.81x = 2,080,067.18
  5. Step 5: Solve for x
    x = 2,080,067.18/2,059.81
  6. Step 6: Final answer
    x = 1,009.84

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