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Finding the Fourth Proportional to 54,682.83, 81,975.03 and 19,614.27

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Solution

The fourth proportional to 54,682.83, 81,975.03 and 19,614.27 is: 29,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.83 : 81,975.03 = 19,614.27 : x
  2. Step 2: Convert to fraction form
    54,682.83/81,975.03 = 19,614.27/x
  3. Step 3: Cross multiply
    54,682.83x = 81,975.03 × 19,614.27
  4. Step 4: Simplify right side
    54,682.83x = 1,607,880,371.68
  5. Step 5: Solve for x
    x = 1,607,880,371.68/54,682.83
  6. Step 6: Final answer
    x = 29,403.75

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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.