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Finding the Fourth Proportional to 69,105.57, 103,674.68 and 22,358.44

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Solution

The fourth proportional to 69,105.57, 103,674.68 and 22,358.44 is: 33,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,105.57 : 103,674.68 = 22,358.44 : x
  2. Step 2: Convert to fraction form
    69,105.57/103,674.68 = 22,358.44/x
  3. Step 3: Cross multiply
    69,105.57x = 103,674.68 × 22,358.44
  4. Step 4: Simplify right side
    69,105.57x = 2,318,004,112.30
  5. Step 5: Solve for x
    x = 2,318,004,112.30/69,105.57
  6. Step 6: Final answer
    x = 33,542.94

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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.