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Finding the Fourth Proportional to 3,004.92, 4,489.16 and 2,512.88

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Solution

The fourth proportional to 3,004.92, 4,489.16 and 2,512.88 is: 3,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.92 : 4,489.16 = 2,512.88 : x
  2. Step 2: Convert to fraction form
    3,004.92/4,489.16 = 2,512.88/x
  3. Step 3: Cross multiply
    3,004.92x = 4,489.16 × 2,512.88
  4. Step 4: Simplify right side
    3,004.92x = 11,280,720.38
  5. Step 5: Solve for x
    x = 11,280,720.38/3,004.92
  6. Step 6: Final answer
    x = 3,754.08

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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.