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Finding the Fourth Proportional to 3,369.69, 4,651.29 and 2,622.51

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Solution

The fourth proportional to 3,369.69, 4,651.29 and 2,622.51 is: 3,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.69 : 4,651.29 = 2,622.51 : x
  2. Step 2: Convert to fraction form
    3,369.69/4,651.29 = 2,622.51/x
  3. Step 3: Cross multiply
    3,369.69x = 4,651.29 × 2,622.51
  4. Step 4: Simplify right side
    3,369.69x = 12,198,054.54
  5. Step 5: Solve for x
    x = 12,198,054.54/3,369.69
  6. Step 6: Final answer
    x = 3,619.93

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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.