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Finding the Fourth Proportional to 36,630, 50,549.40 and 19,863

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Solution

The fourth proportional to 36,630, 50,549.40 and 19,863 is: 27,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,630 : 50,549.40 = 19,863 : x
  2. Step 2: Convert to fraction form
    36,630/50,549.40 = 19,863/x
  3. Step 3: Cross multiply
    36,630x = 50,549.40 × 19,863
  4. Step 4: Simplify right side
    36,630x = 1,004,062,732.20
  5. Step 5: Solve for x
    x = 1,004,062,732.20/36,630
  6. Step 6: Final answer
    x = 27,410.94

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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.