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Finding the Fourth Proportional to 36,415.67, 54,644.69 and 15,354.41

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Solution

The fourth proportional to 36,415.67, 54,644.69 and 15,354.41 is: 23,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.67 : 54,644.69 = 15,354.41 : x
  2. Step 2: Convert to fraction form
    36,415.67/54,644.69 = 15,354.41/x
  3. Step 3: Cross multiply
    36,415.67x = 54,644.69 × 15,354.41
  4. Step 4: Simplify right side
    36,415.67x = 839,036,739.75
  5. Step 5: Solve for x
    x = 839,036,739.75/36,415.67
  6. Step 6: Final answer
    x = 23,040.54

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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.