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Finding the Fourth Proportional to 53,992.34, 80,993.91 and 16,551.98

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Solution

The fourth proportional to 53,992.34, 80,993.91 and 16,551.98 is: 24,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992.34 : 80,993.91 = 16,551.98 : x
  2. Step 2: Convert to fraction form
    53,992.34/80,993.91 = 16,551.98/x
  3. Step 3: Cross multiply
    53,992.34x = 80,993.91 × 16,551.98
  4. Step 4: Simplify right side
    53,992.34x = 1,340,609,578.44
  5. Step 5: Solve for x
    x = 1,340,609,578.44/53,992.34
  6. Step 6: Final answer
    x = 24,829.63

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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.