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Finding the Fourth Proportional to 4,268.96, 5,918.48 and 4,047.44

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Solution

The fourth proportional to 4,268.96, 5,918.48 and 4,047.44 is: 5,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.96 : 5,918.48 = 4,047.44 : x
  2. Step 2: Convert to fraction form
    4,268.96/5,918.48 = 4,047.44/x
  3. Step 3: Cross multiply
    4,268.96x = 5,918.48 × 4,047.44
  4. Step 4: Simplify right side
    4,268.96x = 23,954,692.69
  5. Step 5: Solve for x
    x = 23,954,692.69/4,268.96
  6. Step 6: Final answer
    x = 5,611.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.