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Finding the Fourth Proportional to 36,998.37, 51,058.08 and 20,231.37

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Solution

The fourth proportional to 36,998.37, 51,058.08 and 20,231.37 is: 27,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,998.37 : 51,058.08 = 20,231.37 : x
  2. Step 2: Convert to fraction form
    36,998.37/51,058.08 = 20,231.37/x
  3. Step 3: Cross multiply
    36,998.37x = 51,058.08 × 20,231.37
  4. Step 4: Simplify right side
    36,998.37x = 1,032,974,907.97
  5. Step 5: Solve for x
    x = 1,032,974,907.97/36,998.37
  6. Step 6: Final answer
    x = 27,919.47

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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.