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Finding the Fourth Proportional to 3,996.81, 5,512.01 and 2,504.88

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Solution

The fourth proportional to 3,996.81, 5,512.01 and 2,504.88 is: 3,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.81 : 5,512.01 = 2,504.88 : x
  2. Step 2: Convert to fraction form
    3,996.81/5,512.01 = 2,504.88/x
  3. Step 3: Cross multiply
    3,996.81x = 5,512.01 × 2,504.88
  4. Step 4: Simplify right side
    3,996.81x = 13,806,911.08
  5. Step 5: Solve for x
    x = 13,806,911.08/3,996.81
  6. Step 6: Final answer
    x = 3,454.48

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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.