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Finding the Fourth Proportional to 16,620.23, 24,930.34 and 4,933.44

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Solution

The fourth proportional to 16,620.23, 24,930.34 and 4,933.44 is: 7,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.23 : 24,930.34 = 4,933.44 : x
  2. Step 2: Convert to fraction form
    16,620.23/24,930.34 = 4,933.44/x
  3. Step 3: Cross multiply
    16,620.23x = 24,930.34 × 4,933.44
  4. Step 4: Simplify right side
    16,620.23x = 122,992,324.24
  5. Step 5: Solve for x
    x = 122,992,324.24/16,620.23
  6. Step 6: Final answer
    x = 7,400.16

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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.