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Finding the Fourth Proportional to 11,604.48, 17,409.60 and 3,396.48

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Solution

The fourth proportional to 11,604.48, 17,409.60 and 3,396.48 is: 5,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.48 : 17,409.60 = 3,396.48 : x
  2. Step 2: Convert to fraction form
    11,604.48/17,409.60 = 3,396.48/x
  3. Step 3: Cross multiply
    11,604.48x = 17,409.60 × 3,396.48
  4. Step 4: Simplify right side
    11,604.48x = 59,131,358.21
  5. Step 5: Solve for x
    x = 59,131,358.21/11,604.48
  6. Step 6: Final answer
    x = 5,095.56

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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.