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Finding the Fourth Proportional to 2,411.03, 3,616.22 and 679.79

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Solution

The fourth proportional to 2,411.03, 3,616.22 and 679.79 is: 1,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.03 : 3,616.22 = 679.79 : x
  2. Step 2: Convert to fraction form
    2,411.03/3,616.22 = 679.79/x
  3. Step 3: Cross multiply
    2,411.03x = 3,616.22 × 679.79
  4. Step 4: Simplify right side
    2,411.03x = 2,458,270.19
  5. Step 5: Solve for x
    x = 2,458,270.19/2,411.03
  6. Step 6: Final answer
    x = 1,019.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.