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Finding the Fourth Proportional to 3,606.84, 5,406.82 and 1,414.84

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Solution

The fourth proportional to 3,606.84, 5,406.82 and 1,414.84 is: 2,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.84 : 5,406.82 = 1,414.84 : x
  2. Step 2: Convert to fraction form
    3,606.84/5,406.82 = 1,414.84/x
  3. Step 3: Cross multiply
    3,606.84x = 5,406.82 × 1,414.84
  4. Step 4: Simplify right side
    3,606.84x = 7,649,785.21
  5. Step 5: Solve for x
    x = 7,649,785.21/3,606.84
  6. Step 6: Final answer
    x = 2,120.91

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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.