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Finding the Fourth Proportional to 11,684.50, 17,526.87 and 3,476.50

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Solution

The fourth proportional to 11,684.50, 17,526.87 and 3,476.50 is: 5,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.50 : 17,526.87 = 3,476.50 : x
  2. Step 2: Convert to fraction form
    11,684.50/17,526.87 = 3,476.50/x
  3. Step 3: Cross multiply
    11,684.50x = 17,526.87 × 3,476.50
  4. Step 4: Simplify right side
    11,684.50x = 60,932,163.56
  5. Step 5: Solve for x
    x = 60,932,163.56/11,684.50
  6. Step 6: Final answer
    x = 5,214.79

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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.