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Finding the Fourth Proportional to 53,876.80, 80,807.52 and 16,936

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Solution

The fourth proportional to 53,876.80, 80,807.52 and 16,936 is: 25,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,876.80 : 80,807.52 = 16,936 : x
  2. Step 2: Convert to fraction form
    53,876.80/80,807.52 = 16,936/x
  3. Step 3: Cross multiply
    53,876.80x = 80,807.52 × 16,936
  4. Step 4: Simplify right side
    53,876.80x = 1,368,556,158.72
  5. Step 5: Solve for x
    x = 1,368,556,158.72/53,876.80
  6. Step 6: Final answer
    x = 25,401.59

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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.