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Finding the Fourth Proportional to 36,993.92, 51,039.11 and 21,067.09

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Solution

The fourth proportional to 36,993.92, 51,039.11 and 21,067.09 is: 29,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.92 : 51,039.11 = 21,067.09 : x
  2. Step 2: Convert to fraction form
    36,993.92/51,039.11 = 21,067.09/x
  3. Step 3: Cross multiply
    36,993.92x = 51,039.11 × 21,067.09
  4. Step 4: Simplify right side
    36,993.92x = 1,075,245,268.69
  5. Step 5: Solve for x
    x = 1,075,245,268.69/36,993.92
  6. Step 6: Final answer
    x = 29,065.46

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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.