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Finding the Fourth Proportional to 11,773.00, 17,659.05 and 3,981.81

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Solution

The fourth proportional to 11,773.00, 17,659.05 and 3,981.81 is: 5,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.00 : 17,659.05 = 3,981.81 : x
  2. Step 2: Convert to fraction form
    11,773.00/17,659.05 = 3,981.81/x
  3. Step 3: Cross multiply
    11,773.00x = 17,659.05 × 3,981.81
  4. Step 4: Simplify right side
    11,773.00x = 70,315,033.17
  5. Step 5: Solve for x
    x = 70,315,033.17/11,773.00
  6. Step 6: Final answer
    x = 5,972.57

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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.