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Finding the Fourth Proportional to 36,661, 50,592.18 and 19,894

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Solution

The fourth proportional to 36,661, 50,592.18 and 19,894 is: 27,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,661 : 50,592.18 = 19,894 : x
  2. Step 2: Convert to fraction form
    36,661/50,592.18 = 19,894/x
  3. Step 3: Cross multiply
    36,661x = 50,592.18 × 19,894
  4. Step 4: Simplify right side
    36,661x = 1,006,480,828.92
  5. Step 5: Solve for x
    x = 1,006,480,828.92/36,661
  6. Step 6: Final answer
    x = 27,453.72

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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.