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Finding the Fourth Proportional to 54,027, 81,053.46 and 17,091

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Solution

The fourth proportional to 54,027, 81,053.46 and 17,091 is: 25,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,027 : 81,053.46 = 17,091 : x
  2. Step 2: Convert to fraction form
    54,027/81,053.46 = 17,091/x
  3. Step 3: Cross multiply
    54,027x = 81,053.46 × 17,091
  4. Step 4: Simplify right side
    54,027x = 1,385,284,684.86
  5. Step 5: Solve for x
    x = 1,385,284,684.86/54,027
  6. Step 6: Final answer
    x = 25,640.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.