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Finding the Fourth Proportional to 55,003.62, 75,787.77 and 37,067.49

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Solution

The fourth proportional to 55,003.62, 75,787.77 and 37,067.49 is: 51,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,003.62 : 75,787.77 = 37,067.49 : x
  2. Step 2: Convert to fraction form
    55,003.62/75,787.77 = 37,067.49/x
  3. Step 3: Cross multiply
    55,003.62x = 75,787.77 × 37,067.49
  4. Step 4: Simplify right side
    55,003.62x = 2,809,262,406.60
  5. Step 5: Solve for x
    x = 2,809,262,406.60/55,003.62
  6. Step 6: Final answer
    x = 51,074.14

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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.