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Finding the Fourth Proportional to 36,937.98, 50,980.28 and 21,027.56

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Solution

The fourth proportional to 36,937.98, 50,980.28 and 21,027.56 is: 29,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,937.98 : 50,980.28 = 21,027.56 : x
  2. Step 2: Convert to fraction form
    36,937.98/50,980.28 = 21,027.56/x
  3. Step 3: Cross multiply
    36,937.98x = 50,980.28 × 21,027.56
  4. Step 4: Simplify right side
    36,937.98x = 1,071,990,896.52
  5. Step 5: Solve for x
    x = 1,071,990,896.52/36,937.98
  6. Step 6: Final answer
    x = 29,021.37

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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.