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Finding the Fourth Proportional to 3,576.52, 5,368.27 and 1,936.57

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Solution

The fourth proportional to 3,576.52, 5,368.27 and 1,936.57 is: 2,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.52 : 5,368.27 = 1,936.57 : x
  2. Step 2: Convert to fraction form
    3,576.52/5,368.27 = 1,936.57/x
  3. Step 3: Cross multiply
    3,576.52x = 5,368.27 × 1,936.57
  4. Step 4: Simplify right side
    3,576.52x = 10,396,030.63
  5. Step 5: Solve for x
    x = 10,396,030.63/3,576.52
  6. Step 6: Final answer
    x = 2,906.74

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Why These Related Problems?

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