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Finding the Fourth Proportional to 54,268.52, 81,414.45 and 16,827.82

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Solution

The fourth proportional to 54,268.52, 81,414.45 and 16,827.82 is: 25,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.52 : 81,414.45 = 16,827.82 : x
  2. Step 2: Convert to fraction form
    54,268.52/81,414.45 = 16,827.82/x
  3. Step 3: Cross multiply
    54,268.52x = 81,414.45 × 16,827.82
  4. Step 4: Simplify right side
    54,268.52x = 1,370,027,506.46
  5. Step 5: Solve for x
    x = 1,370,027,506.46/54,268.52
  6. Step 6: Final answer
    x = 25,245.35

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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.