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Finding the Fourth Proportional to 11,487.03, 17,231 and 3,594.85

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Solution

The fourth proportional to 11,487.03, 17,231 and 3,594.85 is: 5,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.03 : 17,231 = 3,594.85 : x
  2. Step 2: Convert to fraction form
    11,487.03/17,231 = 3,594.85/x
  3. Step 3: Cross multiply
    11,487.03x = 17,231 × 3,594.85
  4. Step 4: Simplify right side
    11,487.03x = 61,942,860.35
  5. Step 5: Solve for x
    x = 61,942,860.35/11,487.03
  6. Step 6: Final answer
    x = 5,392.42

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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.