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Finding the Fourth Proportional to 2,589.80, 3,574.24 and 1,471.09

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Solution

The fourth proportional to 2,589.80, 3,574.24 and 1,471.09 is: 2,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.80 : 3,574.24 = 1,471.09 : x
  2. Step 2: Convert to fraction form
    2,589.80/3,574.24 = 1,471.09/x
  3. Step 3: Cross multiply
    2,589.80x = 3,574.24 × 1,471.09
  4. Step 4: Simplify right side
    2,589.80x = 5,258,028.72
  5. Step 5: Solve for x
    x = 5,258,028.72/2,589.80
  6. Step 6: Final answer
    x = 2,030.28

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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.