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Finding the Fourth Proportional to 53,997.70, 80,991.08 and 14,558.80

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Solution

The fourth proportional to 53,997.70, 80,991.08 and 14,558.80 is: 21,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.70 : 80,991.08 = 14,558.80 : x
  2. Step 2: Convert to fraction form
    53,997.70/80,991.08 = 14,558.80/x
  3. Step 3: Cross multiply
    53,997.70x = 80,991.08 × 14,558.80
  4. Step 4: Simplify right side
    53,997.70x = 1,179,132,935.50
  5. Step 5: Solve for x
    x = 1,179,132,935.50/53,997.70
  6. Step 6: Final answer
    x = 21,836.73

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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.