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Finding the Fourth Proportional to 2,004.13, 3,006.18 and 543.27

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Solution

The fourth proportional to 2,004.13, 3,006.18 and 543.27 is: 814.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.13 : 3,006.18 = 543.27 : x
  2. Step 2: Convert to fraction form
    2,004.13/3,006.18 = 543.27/x
  3. Step 3: Cross multiply
    2,004.13x = 3,006.18 × 543.27
  4. Step 4: Simplify right side
    2,004.13x = 1,633,178.68
  5. Step 5: Solve for x
    x = 1,633,178.68/2,004.13
  6. Step 6: Final answer
    x = 814.91

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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.