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Finding the Fourth Proportional to 3,576.77, 4,936.07 and 1,983.39

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Solution

The fourth proportional to 3,576.77, 4,936.07 and 1,983.39 is: 2,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.77 : 4,936.07 = 1,983.39 : x
  2. Step 2: Convert to fraction form
    3,576.77/4,936.07 = 1,983.39/x
  3. Step 3: Cross multiply
    3,576.77x = 4,936.07 × 1,983.39
  4. Step 4: Simplify right side
    3,576.77x = 9,790,141.96
  5. Step 5: Solve for x
    x = 9,790,141.96/3,576.77
  6. Step 6: Final answer
    x = 2,737.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.