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Finding the Fourth Proportional to 36,089, 54,147.37 and 25,425.61

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Solution

The fourth proportional to 36,089, 54,147.37 and 25,425.61 is: 38,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089 : 54,147.37 = 25,425.61 : x
  2. Step 2: Convert to fraction form
    36,089/54,147.37 = 25,425.61/x
  3. Step 3: Cross multiply
    36,089x = 54,147.37 × 25,425.61
  4. Step 4: Simplify right side
    36,089x = 1,376,729,912.15
  5. Step 5: Solve for x
    x = 1,376,729,912.15/36,089
  6. Step 6: Final answer
    x = 38,148.19

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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.