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Finding the Fourth Proportional to 3,489.33, 4,815.27 and 1,895.97

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Solution

The fourth proportional to 3,489.33, 4,815.27 and 1,895.97 is: 2,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.33 : 4,815.27 = 1,895.97 : x
  2. Step 2: Convert to fraction form
    3,489.33/4,815.27 = 1,895.97/x
  3. Step 3: Cross multiply
    3,489.33x = 4,815.27 × 1,895.97
  4. Step 4: Simplify right side
    3,489.33x = 9,129,607.46
  5. Step 5: Solve for x
    x = 9,129,607.46/3,489.33
  6. Step 6: Final answer
    x = 2,616.44

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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.