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Finding the Fourth Proportional to 4,739.27, 7,104.04 and 2,392.09

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Solution

The fourth proportional to 4,739.27, 7,104.04 and 2,392.09 is: 3,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.27 : 7,104.04 = 2,392.09 : x
  2. Step 2: Convert to fraction form
    4,739.27/7,104.04 = 2,392.09/x
  3. Step 3: Cross multiply
    4,739.27x = 7,104.04 × 2,392.09
  4. Step 4: Simplify right side
    4,739.27x = 16,993,479.30
  5. Step 5: Solve for x
    x = 16,993,479.30/4,739.27
  6. Step 6: Final answer
    x = 3,585.68

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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.