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Finding the Fourth Proportional to 36,556.01, 54,825.82 and 16,815.61

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Solution

The fourth proportional to 36,556.01, 54,825.82 and 16,815.61 is: 25,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,556.01 : 54,825.82 = 16,815.61 : x
  2. Step 2: Convert to fraction form
    36,556.01/54,825.82 = 16,815.61/x
  3. Step 3: Cross multiply
    36,556.01x = 54,825.82 × 16,815.61
  4. Step 4: Simplify right side
    36,556.01x = 921,929,607.05
  5. Step 5: Solve for x
    x = 921,929,607.05/36,556.01
  6. Step 6: Final answer
    x = 25,219.65

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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.