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Finding the Fourth Proportional to 53,855.66, 80,795.49 and 16,418.65

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Solution

The fourth proportional to 53,855.66, 80,795.49 and 16,418.65 is: 24,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.66 : 80,795.49 = 16,418.65 : x
  2. Step 2: Convert to fraction form
    53,855.66/80,795.49 = 16,418.65/x
  3. Step 3: Cross multiply
    53,855.66x = 80,795.49 × 16,418.65
  4. Step 4: Simplify right side
    53,855.66x = 1,326,552,608.33
  5. Step 5: Solve for x
    x = 1,326,552,608.33/53,855.66
  6. Step 6: Final answer
    x = 24,631.63

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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.