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Finding the Fourth Proportional to 5,554.36, 8,328.30 and 3,241

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Solution

The fourth proportional to 5,554.36, 8,328.30 and 3,241 is: 4,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.36 : 8,328.30 = 3,241 : x
  2. Step 2: Convert to fraction form
    5,554.36/8,328.30 = 3,241/x
  3. Step 3: Cross multiply
    5,554.36x = 8,328.30 × 3,241
  4. Step 4: Simplify right side
    5,554.36x = 26,992,020.30
  5. Step 5: Solve for x
    x = 26,992,020.30/5,554.36
  6. Step 6: Final answer
    x = 4,859.61

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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.