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Finding the Fourth Proportional to 3,474.77, 4,794.72 and 1,982.59

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Solution

The fourth proportional to 3,474.77, 4,794.72 and 1,982.59 is: 2,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.77 : 4,794.72 = 1,982.59 : x
  2. Step 2: Convert to fraction form
    3,474.77/4,794.72 = 1,982.59/x
  3. Step 3: Cross multiply
    3,474.77x = 4,794.72 × 1,982.59
  4. Step 4: Simplify right side
    3,474.77x = 9,505,982.63
  5. Step 5: Solve for x
    x = 9,505,982.63/3,474.77
  6. Step 6: Final answer
    x = 2,735.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.