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Finding the Fourth Proportional to 2,673.92, 3,991.04 and 2,242.56

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Solution

The fourth proportional to 2,673.92, 3,991.04 and 2,242.56 is: 3,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.92 : 3,991.04 = 2,242.56 : x
  2. Step 2: Convert to fraction form
    2,673.92/3,991.04 = 2,242.56/x
  3. Step 3: Cross multiply
    2,673.92x = 3,991.04 × 2,242.56
  4. Step 4: Simplify right side
    2,673.92x = 8,950,146.66
  5. Step 5: Solve for x
    x = 8,950,146.66/2,673.92
  6. Step 6: Final answer
    x = 3,347.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.