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Finding the Fourth Proportional to 38,362.88, 52,939.97 and 21,367.08

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Solution

The fourth proportional to 38,362.88, 52,939.97 and 21,367.08 is: 29,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,362.88 : 52,939.97 = 21,367.08 : x
  2. Step 2: Convert to fraction form
    38,362.88/52,939.97 = 21,367.08/x
  3. Step 3: Cross multiply
    38,362.88x = 52,939.97 × 21,367.08
  4. Step 4: Simplify right side
    38,362.88x = 1,131,172,241.68
  5. Step 5: Solve for x
    x = 1,131,172,241.68/38,362.88
  6. Step 6: Final answer
    x = 29,486.11

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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.