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Finding the Fourth Proportional to 11,354.36, 17,034.37 and 3,958.88

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Solution

The fourth proportional to 11,354.36, 17,034.37 and 3,958.88 is: 5,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.36 : 17,034.37 = 3,958.88 : x
  2. Step 2: Convert to fraction form
    11,354.36/17,034.37 = 3,958.88/x
  3. Step 3: Cross multiply
    11,354.36x = 17,034.37 × 3,958.88
  4. Step 4: Simplify right side
    11,354.36x = 67,436,931.64
  5. Step 5: Solve for x
    x = 67,436,931.64/11,354.36
  6. Step 6: Final answer
    x = 5,939.30

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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.