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Finding the Fourth Proportional to 11,859.84, 17,792.19 and 3,540.33

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Solution

The fourth proportional to 11,859.84, 17,792.19 and 3,540.33 is: 5,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.84 : 17,792.19 = 3,540.33 : x
  2. Step 2: Convert to fraction form
    11,859.84/17,792.19 = 3,540.33/x
  3. Step 3: Cross multiply
    11,859.84x = 17,792.19 × 3,540.33
  4. Step 4: Simplify right side
    11,859.84x = 62,990,224.02
  5. Step 5: Solve for x
    x = 62,990,224.02/11,859.84
  6. Step 6: Final answer
    x = 5,311.22

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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.