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Finding the Fourth Proportional to 12,576.03, 18,864.06 and 3,811.02

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Solution

The fourth proportional to 12,576.03, 18,864.06 and 3,811.02 is: 5,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.03 : 18,864.06 = 3,811.02 : x
  2. Step 2: Convert to fraction form
    12,576.03/18,864.06 = 3,811.02/x
  3. Step 3: Cross multiply
    12,576.03x = 18,864.06 × 3,811.02
  4. Step 4: Simplify right side
    12,576.03x = 71,891,309.94
  5. Step 5: Solve for x
    x = 71,891,309.94/12,576.03
  6. Step 6: Final answer
    x = 5,716.53

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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.