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Finding the Fourth Proportional to 2,568.24, 3,544.44 and 1,520.40

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Solution

The fourth proportional to 2,568.24, 3,544.44 and 1,520.40 is: 2,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.24 : 3,544.44 = 1,520.40 : x
  2. Step 2: Convert to fraction form
    2,568.24/3,544.44 = 1,520.40/x
  3. Step 3: Cross multiply
    2,568.24x = 3,544.44 × 1,520.40
  4. Step 4: Simplify right side
    2,568.24x = 5,388,966.58
  5. Step 5: Solve for x
    x = 5,388,966.58/2,568.24
  6. Step 6: Final answer
    x = 2,098.31

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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.