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Finding the Fourth Proportional to 53,996.94, 80,992.37 and 16,556.90

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Solution

The fourth proportional to 53,996.94, 80,992.37 and 16,556.90 is: 24,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,996.94 : 80,992.37 = 16,556.90 : x
  2. Step 2: Convert to fraction form
    53,996.94/80,992.37 = 16,556.90/x
  3. Step 3: Cross multiply
    53,996.94x = 80,992.37 × 16,556.90
  4. Step 4: Simplify right side
    53,996.94x = 1,340,983,025.24
  5. Step 5: Solve for x
    x = 1,340,983,025.24/53,996.94
  6. Step 6: Final answer
    x = 24,834.43

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1.5x scale

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.