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Finding the Fourth Proportional to 11,859.66, 17,792.03 and 3,540.33

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Solution

The fourth proportional to 11,859.66, 17,792.03 and 3,540.33 is: 5,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.66 : 17,792.03 = 3,540.33 : x
  2. Step 2: Convert to fraction form
    11,859.66/17,792.03 = 3,540.33/x
  3. Step 3: Cross multiply
    11,859.66x = 17,792.03 × 3,540.33
  4. Step 4: Simplify right side
    11,859.66x = 62,989,657.57
  5. Step 5: Solve for x
    x = 62,989,657.57/11,859.66
  6. Step 6: Final answer
    x = 5,311.25

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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.