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Finding the Fourth Proportional to 36,873, 50,889.08 and 20,959.83

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Solution

The fourth proportional to 36,873, 50,889.08 and 20,959.83 is: 28,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,873 : 50,889.08 = 20,959.83 : x
  2. Step 2: Convert to fraction form
    36,873/50,889.08 = 20,959.83/x
  3. Step 3: Cross multiply
    36,873x = 50,889.08 × 20,959.83
  4. Step 4: Simplify right side
    36,873x = 1,066,626,518.06
  5. Step 5: Solve for x
    x = 1,066,626,518.06/36,873
  6. Step 6: Final answer
    x = 28,927.03

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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.