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Finding the Fourth Proportional to 54,758.70, 82,138.05 and 36,096.30

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Solution

The fourth proportional to 54,758.70, 82,138.05 and 36,096.30 is: 54,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,758.70 : 82,138.05 = 36,096.30 : x
  2. Step 2: Convert to fraction form
    54,758.70/82,138.05 = 36,096.30/x
  3. Step 3: Cross multiply
    54,758.70x = 82,138.05 × 36,096.30
  4. Step 4: Simplify right side
    54,758.70x = 2,964,879,694.22
  5. Step 5: Solve for x
    x = 2,964,879,694.22/54,758.70
  6. Step 6: Final answer
    x = 54,144.45

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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.