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Finding the Fourth Proportional to 4,936.06, 6,811.11 and 3,170.06

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Solution

The fourth proportional to 4,936.06, 6,811.11 and 3,170.06 is: 4,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.06 : 6,811.11 = 3,170.06 : x
  2. Step 2: Convert to fraction form
    4,936.06/6,811.11 = 3,170.06/x
  3. Step 3: Cross multiply
    4,936.06x = 6,811.11 × 3,170.06
  4. Step 4: Simplify right side
    4,936.06x = 21,591,627.37
  5. Step 5: Solve for x
    x = 21,591,627.37/4,936.06
  6. Step 6: Final answer
    x = 4,374.26

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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.