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Finding the Fourth Proportional to 3,967.93, 5,474.95 and 2,396.11

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Solution

The fourth proportional to 3,967.93, 5,474.95 and 2,396.11 is: 3,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.93 : 5,474.95 = 2,396.11 : x
  2. Step 2: Convert to fraction form
    3,967.93/5,474.95 = 2,396.11/x
  3. Step 3: Cross multiply
    3,967.93x = 5,474.95 × 2,396.11
  4. Step 4: Simplify right side
    3,967.93x = 13,118,582.44
  5. Step 5: Solve for x
    x = 13,118,582.44/3,967.93
  6. Step 6: Final answer
    x = 3,306.15

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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.