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Finding the Fourth Proportional to 36,757.07, 50,724.75 and 19,990.07

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Solution

The fourth proportional to 36,757.07, 50,724.75 and 19,990.07 is: 27,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,757.07 : 50,724.75 = 19,990.07 : x
  2. Step 2: Convert to fraction form
    36,757.07/50,724.75 = 19,990.07/x
  3. Step 3: Cross multiply
    36,757.07x = 50,724.75 × 19,990.07
  4. Step 4: Simplify right side
    36,757.07x = 1,013,991,049.61
  5. Step 5: Solve for x
    x = 1,013,991,049.61/36,757.07
  6. Step 6: Final answer
    x = 27,586.29

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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.