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Finding the Fourth Proportional to 1,996.41, 2,991.17 and 1,793.51

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Solution

The fourth proportional to 1,996.41, 2,991.17 and 1,793.51 is: 2,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.41 : 2,991.17 = 1,793.51 : x
  2. Step 2: Convert to fraction form
    1,996.41/2,991.17 = 1,793.51/x
  3. Step 3: Cross multiply
    1,996.41x = 2,991.17 × 1,793.51
  4. Step 4: Simplify right side
    1,996.41x = 5,364,669.38
  5. Step 5: Solve for x
    x = 5,364,669.38/1,996.41
  6. Step 6: Final answer
    x = 2,687.16

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1.5x scale

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.