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Finding the Fourth Proportional to 53,817.54, 80,736.30 and 16,380.96

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Solution

The fourth proportional to 53,817.54, 80,736.30 and 16,380.96 is: 24,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,817.54 : 80,736.30 = 16,380.96 : x
  2. Step 2: Convert to fraction form
    53,817.54/80,736.30 = 16,380.96/x
  3. Step 3: Cross multiply
    53,817.54x = 80,736.30 × 16,380.96
  4. Step 4: Simplify right side
    53,817.54x = 1,322,538,100.85
  5. Step 5: Solve for x
    x = 1,322,538,100.85/53,817.54
  6. Step 6: Final answer
    x = 24,574.48

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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.