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Finding the Fourth Proportional to 54,574.56, 81,861.84 and 19,524.24

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Solution

The fourth proportional to 54,574.56, 81,861.84 and 19,524.24 is: 29,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,574.56 : 81,861.84 = 19,524.24 : x
  2. Step 2: Convert to fraction form
    54,574.56/81,861.84 = 19,524.24/x
  3. Step 3: Cross multiply
    54,574.56x = 81,861.84 × 19,524.24
  4. Step 4: Simplify right side
    54,574.56x = 1,598,290,211.00
  5. Step 5: Solve for x
    x = 1,598,290,211.00/54,574.56
  6. Step 6: Final answer
    x = 29,286.36

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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.