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Finding the Fourth Proportional to 3,966.17, 5,473.17 and 2,197.94

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Solution

The fourth proportional to 3,966.17, 5,473.17 and 2,197.94 is: 3,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.17 : 5,473.17 = 2,197.94 : x
  2. Step 2: Convert to fraction form
    3,966.17/5,473.17 = 2,197.94/x
  3. Step 3: Cross multiply
    3,966.17x = 5,473.17 × 2,197.94
  4. Step 4: Simplify right side
    3,966.17x = 12,029,671.90
  5. Step 5: Solve for x
    x = 12,029,671.90/3,966.17
  6. Step 6: Final answer
    x = 3,033.07

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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.