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Finding the Fourth Proportional to 2,616.84, 3,921.33 and 2,369.88

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Solution

The fourth proportional to 2,616.84, 3,921.33 and 2,369.88 is: 3,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.84 : 3,921.33 = 2,369.88 : x
  2. Step 2: Convert to fraction form
    2,616.84/3,921.33 = 2,369.88/x
  3. Step 3: Cross multiply
    2,616.84x = 3,921.33 × 2,369.88
  4. Step 4: Simplify right side
    2,616.84x = 9,293,081.54
  5. Step 5: Solve for x
    x = 9,293,081.54/2,616.84
  6. Step 6: Final answer
    x = 3,551.26

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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.