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Finding the Fourth Proportional to 11,659.67, 17,491.24 and 3,759.58

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Solution

The fourth proportional to 11,659.67, 17,491.24 and 3,759.58 is: 5,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.67 : 17,491.24 = 3,759.58 : x
  2. Step 2: Convert to fraction form
    11,659.67/17,491.24 = 3,759.58/x
  3. Step 3: Cross multiply
    11,659.67x = 17,491.24 × 3,759.58
  4. Step 4: Simplify right side
    11,659.67x = 65,759,716.08
  5. Step 5: Solve for x
    x = 65,759,716.08/11,659.67
  6. Step 6: Final answer
    x = 5,639.93

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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.