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Finding the Fourth Proportional to 57,993.75, 86,928.44 and 37,995.69

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Solution

The fourth proportional to 57,993.75, 86,928.44 and 37,995.69 is: 56,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.75 : 86,928.44 = 37,995.69 : x
  2. Step 2: Convert to fraction form
    57,993.75/86,928.44 = 37,995.69/x
  3. Step 3: Cross multiply
    57,993.75x = 86,928.44 × 37,995.69
  4. Step 4: Simplify right side
    57,993.75x = 3,302,905,868.45
  5. Step 5: Solve for x
    x = 3,302,905,868.45/57,993.75
  6. Step 6: Final answer
    x = 56,952.79

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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.