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Finding the Fourth Proportional to 54,698.94, 74,992.27 and 53,702.54

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Solution

The fourth proportional to 54,698.94, 74,992.27 and 53,702.54 is: 73,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,698.94 : 74,992.27 = 53,702.54 : x
  2. Step 2: Convert to fraction form
    54,698.94/74,992.27 = 53,702.54/x
  3. Step 3: Cross multiply
    54,698.94x = 74,992.27 × 53,702.54
  4. Step 4: Simplify right side
    54,698.94x = 4,027,275,513.62
  5. Step 5: Solve for x
    x = 4,027,275,513.62/54,698.94
  6. Step 6: Final answer
    x = 73,626.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.