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Finding the Fourth Proportional to 36,711.18, 50,661.09 and 19,944.18

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Solution

The fourth proportional to 36,711.18, 50,661.09 and 19,944.18 is: 27,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,711.18 : 50,661.09 = 19,944.18 : x
  2. Step 2: Convert to fraction form
    36,711.18/50,661.09 = 19,944.18/x
  3. Step 3: Cross multiply
    36,711.18x = 50,661.09 × 19,944.18
  4. Step 4: Simplify right side
    36,711.18x = 1,010,393,897.96
  5. Step 5: Solve for x
    x = 1,010,393,897.96/36,711.18
  6. Step 6: Final answer
    x = 27,522.78

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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.