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Finding the Fourth Proportional to 36,273.72, 50,054.31 and 20,355.06

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Solution

The fourth proportional to 36,273.72, 50,054.31 and 20,355.06 is: 28,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,273.72 : 50,054.31 = 20,355.06 : x
  2. Step 2: Convert to fraction form
    36,273.72/50,054.31 = 20,355.06/x
  3. Step 3: Cross multiply
    36,273.72x = 50,054.31 × 20,355.06
  4. Step 4: Simplify right side
    36,273.72x = 1,018,858,483.31
  5. Step 5: Solve for x
    x = 1,018,858,483.31/36,273.72
  6. Step 6: Final answer
    x = 28,088.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.