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Finding the Fourth Proportional to 2,966.94, 4,092.89 and 2,755.87

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Solution

The fourth proportional to 2,966.94, 4,092.89 and 2,755.87 is: 3,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.94 : 4,092.89 = 2,755.87 : x
  2. Step 2: Convert to fraction form
    2,966.94/4,092.89 = 2,755.87/x
  3. Step 3: Cross multiply
    2,966.94x = 4,092.89 × 2,755.87
  4. Step 4: Simplify right side
    2,966.94x = 11,279,448.75
  5. Step 5: Solve for x
    x = 11,279,448.75/2,966.94
  6. Step 6: Final answer
    x = 3,801.71

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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.