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Finding the Fourth Proportional to 3,604.52, 5,406.77 and 1,414.28

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Solution

The fourth proportional to 3,604.52, 5,406.77 and 1,414.28 is: 2,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.52 : 5,406.77 = 1,414.28 : x
  2. Step 2: Convert to fraction form
    3,604.52/5,406.77 = 1,414.28/x
  3. Step 3: Cross multiply
    3,604.52x = 5,406.77 × 1,414.28
  4. Step 4: Simplify right side
    3,604.52x = 7,646,663.18
  5. Step 5: Solve for x
    x = 7,646,663.18/3,604.52
  6. Step 6: Final answer
    x = 2,121.41

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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.