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Finding the Fourth Proportional to 3,334.23, 5,002.02 and 994.28

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Solution

The fourth proportional to 3,334.23, 5,002.02 and 994.28 is: 1,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.23 : 5,002.02 = 994.28 : x
  2. Step 2: Convert to fraction form
    3,334.23/5,002.02 = 994.28/x
  3. Step 3: Cross multiply
    3,334.23x = 5,002.02 × 994.28
  4. Step 4: Simplify right side
    3,334.23x = 4,973,383.44
  5. Step 5: Solve for x
    x = 4,973,383.44/3,334.23
  6. Step 6: Final answer
    x = 1,491.61

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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.