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Finding the Fourth Proportional to 11,821.66, 17,735.01 and 5,901.73

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Solution

The fourth proportional to 11,821.66, 17,735.01 and 5,901.73 is: 8,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.66 : 17,735.01 = 5,901.73 : x
  2. Step 2: Convert to fraction form
    11,821.66/17,735.01 = 5,901.73/x
  3. Step 3: Cross multiply
    11,821.66x = 17,735.01 × 5,901.73
  4. Step 4: Simplify right side
    11,821.66x = 104,667,240.57
  5. Step 5: Solve for x
    x = 104,667,240.57/11,821.66
  6. Step 6: Final answer
    x = 8,853.85

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1.5x scale

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.