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Finding the Fourth Proportional to 11,410.56, 17,112.44 and 4,836.64

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Solution

The fourth proportional to 11,410.56, 17,112.44 and 4,836.64 is: 7,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.56 : 17,112.44 = 4,836.64 : x
  2. Step 2: Convert to fraction form
    11,410.56/17,112.44 = 4,836.64/x
  3. Step 3: Cross multiply
    11,410.56x = 17,112.44 × 4,836.64
  4. Step 4: Simplify right side
    11,410.56x = 82,766,711.80
  5. Step 5: Solve for x
    x = 82,766,711.80/11,410.56
  6. Step 6: Final answer
    x = 7,253.52

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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.