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Finding the Fourth Proportional to 53,666.80, 80,474.02 and 16,219.64

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Solution

The fourth proportional to 53,666.80, 80,474.02 and 16,219.64 is: 24,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.80 : 80,474.02 = 16,219.64 : x
  2. Step 2: Convert to fraction form
    53,666.80/80,474.02 = 16,219.64/x
  3. Step 3: Cross multiply
    53,666.80x = 80,474.02 × 16,219.64
  4. Step 4: Simplify right side
    53,666.80x = 1,305,259,633.75
  5. Step 5: Solve for x
    x = 1,305,259,633.75/53,666.80
  6. Step 6: Final answer
    x = 24,321.55

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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.