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Finding the Fourth Proportional to 54,635.45, 81,949.46 and 19,576.22

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Solution

The fourth proportional to 54,635.45, 81,949.46 and 19,576.22 is: 29,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.45 : 81,949.46 = 19,576.22 : x
  2. Step 2: Convert to fraction form
    54,635.45/81,949.46 = 19,576.22/x
  3. Step 3: Cross multiply
    54,635.45x = 81,949.46 × 19,576.22
  4. Step 4: Simplify right side
    54,635.45x = 1,604,260,150.21
  5. Step 5: Solve for x
    x = 1,604,260,150.21/54,635.45
  6. Step 6: Final answer
    x = 29,362.99

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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.