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Finding the Fourth Proportional to 36,936.94, 55,405.41 and 9,234.94

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Solution

The fourth proportional to 36,936.94, 55,405.41 and 9,234.94 is: 13,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.94 : 55,405.41 = 9,234.94 : x
  2. Step 2: Convert to fraction form
    36,936.94/55,405.41 = 9,234.94/x
  3. Step 3: Cross multiply
    36,936.94x = 55,405.41 × 9,234.94
  4. Step 4: Simplify right side
    36,936.94x = 511,665,475.42
  5. Step 5: Solve for x
    x = 511,665,475.42/36,936.94
  6. Step 6: Final answer
    x = 13,852.41

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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.