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Finding the Fourth Proportional to 2,591.41, 3,576.13 and 1,412.48

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Solution

The fourth proportional to 2,591.41, 3,576.13 and 1,412.48 is: 1,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.41 : 3,576.13 = 1,412.48 : x
  2. Step 2: Convert to fraction form
    2,591.41/3,576.13 = 1,412.48/x
  3. Step 3: Cross multiply
    2,591.41x = 3,576.13 × 1,412.48
  4. Step 4: Simplify right side
    2,591.41x = 5,051,212.10
  5. Step 5: Solve for x
    x = 5,051,212.10/2,591.41
  6. Step 6: Final answer
    x = 1,949.21

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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.