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Finding the Fourth Proportional to 36,906.75, 50,929.83 and 21,804.26

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Solution

The fourth proportional to 36,906.75, 50,929.83 and 21,804.26 is: 30,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.75 : 50,929.83 = 21,804.26 : x
  2. Step 2: Convert to fraction form
    36,906.75/50,929.83 = 21,804.26/x
  3. Step 3: Cross multiply
    36,906.75x = 50,929.83 × 21,804.26
  4. Step 4: Simplify right side
    36,906.75x = 1,110,487,000.43
  5. Step 5: Solve for x
    x = 1,110,487,000.43/36,906.75
  6. Step 6: Final answer
    x = 30,088.99

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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.