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Finding the Fourth Proportional to 36,711.68, 50,661.78 and 19,944.68

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Solution

The fourth proportional to 36,711.68, 50,661.78 and 19,944.68 is: 27,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,711.68 : 50,661.78 = 19,944.68 : x
  2. Step 2: Convert to fraction form
    36,711.68/50,661.78 = 19,944.68/x
  3. Step 3: Cross multiply
    36,711.68x = 50,661.78 × 19,944.68
  4. Step 4: Simplify right side
    36,711.68x = 1,010,432,990.33
  5. Step 5: Solve for x
    x = 1,010,432,990.33/36,711.68
  6. Step 6: Final answer
    x = 27,523.47

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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.