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Finding the Fourth Proportional to 54,357.44, 74,943.83 and 35,203.37

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Solution

The fourth proportional to 54,357.44, 74,943.83 and 35,203.37 is: 48,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.44 : 74,943.83 = 35,203.37 : x
  2. Step 2: Convert to fraction form
    54,357.44/74,943.83 = 35,203.37/x
  3. Step 3: Cross multiply
    54,357.44x = 74,943.83 × 35,203.37
  4. Step 4: Simplify right side
    54,357.44x = 2,638,275,107.01
  5. Step 5: Solve for x
    x = 2,638,275,107.01/54,357.44
  6. Step 6: Final answer
    x = 48,535.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.