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Finding the Fourth Proportional to 53,817.88, 80,738.44 and 16,380.88

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Solution

The fourth proportional to 53,817.88, 80,738.44 and 16,380.88 is: 24,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,817.88 : 80,738.44 = 16,380.88 : x
  2. Step 2: Convert to fraction form
    53,817.88/80,738.44 = 16,380.88/x
  3. Step 3: Cross multiply
    53,817.88x = 80,738.44 × 16,380.88
  4. Step 4: Simplify right side
    53,817.88x = 1,322,566,697.03
  5. Step 5: Solve for x
    x = 1,322,566,697.03/53,817.88
  6. Step 6: Final answer
    x = 24,574.86

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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.