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Finding the Fourth Proportional to 36,957.44, 51,001.31 and 20,190.44

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Solution

The fourth proportional to 36,957.44, 51,001.31 and 20,190.44 is: 27,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,957.44 : 51,001.31 = 20,190.44 : x
  2. Step 2: Convert to fraction form
    36,957.44/51,001.31 = 20,190.44/x
  3. Step 3: Cross multiply
    36,957.44x = 51,001.31 × 20,190.44
  4. Step 4: Simplify right side
    36,957.44x = 1,029,738,788.52
  5. Step 5: Solve for x
    x = 1,029,738,788.52/36,957.44
  6. Step 6: Final answer
    x = 27,862.83

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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.