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Finding the Fourth Proportional to 36,578.88, 54,826.90 and 16,816.64

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Solution

The fourth proportional to 36,578.88, 54,826.90 and 16,816.64 is: 25,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,578.88 : 54,826.90 = 16,816.64 : x
  2. Step 2: Convert to fraction form
    36,578.88/54,826.90 = 16,816.64/x
  3. Step 3: Cross multiply
    36,578.88x = 54,826.90 × 16,816.64
  4. Step 4: Simplify right side
    36,578.88x = 922,004,239.62
  5. Step 5: Solve for x
    x = 922,004,239.62/36,578.88
  6. Step 6: Final answer
    x = 25,205.92

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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.