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Finding the Fourth Proportional to 2,116.82, 3,174.26 and 883.49

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Solution

The fourth proportional to 2,116.82, 3,174.26 and 883.49 is: 1,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.82 : 3,174.26 = 883.49 : x
  2. Step 2: Convert to fraction form
    2,116.82/3,174.26 = 883.49/x
  3. Step 3: Cross multiply
    2,116.82x = 3,174.26 × 883.49
  4. Step 4: Simplify right side
    2,116.82x = 2,804,406.68
  5. Step 5: Solve for x
    x = 2,804,406.68/2,116.82
  6. Step 6: Final answer
    x = 1,324.82

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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.