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Finding the Fourth Proportional to 36,952.94, 55,415.03 and 11,986.95

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Solution

The fourth proportional to 36,952.94, 55,415.03 and 11,986.95 is: 17,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,952.94 : 55,415.03 = 11,986.95 : x
  2. Step 2: Convert to fraction form
    36,952.94/55,415.03 = 11,986.95/x
  3. Step 3: Cross multiply
    36,952.94x = 55,415.03 × 11,986.95
  4. Step 4: Simplify right side
    36,952.94x = 664,257,163.89
  5. Step 5: Solve for x
    x = 664,257,163.89/36,952.94
  6. Step 6: Final answer
    x = 17,975.76

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1.5x scale

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.