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Finding the Fourth Proportional to 3,448.69, 4,759.19 and 1,876.79

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Solution

The fourth proportional to 3,448.69, 4,759.19 and 1,876.79 is: 2,589.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.69 : 4,759.19 = 1,876.79 : x
  2. Step 2: Convert to fraction form
    3,448.69/4,759.19 = 1,876.79/x
  3. Step 3: Cross multiply
    3,448.69x = 4,759.19 × 1,876.79
  4. Step 4: Simplify right side
    3,448.69x = 8,932,009.75
  5. Step 5: Solve for x
    x = 8,932,009.75/3,448.69
  6. Step 6: Final answer
    x = 2,589.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.