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Finding the Fourth Proportional to 3,367, 4,644.18 and 2,185.96

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Solution

The fourth proportional to 3,367, 4,644.18 and 2,185.96 is: 3,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367 : 4,644.18 = 2,185.96 : x
  2. Step 2: Convert to fraction form
    3,367/4,644.18 = 2,185.96/x
  3. Step 3: Cross multiply
    3,367x = 4,644.18 × 2,185.96
  4. Step 4: Simplify right side
    3,367x = 10,151,991.71
  5. Step 5: Solve for x
    x = 10,151,991.71/3,367
  6. Step 6: Final answer
    x = 3,015.14

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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.