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Finding the Fourth Proportional to 69,234.01, 103,869.61 and 21,850.93

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Solution

The fourth proportional to 69,234.01, 103,869.61 and 21,850.93 is: 32,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,234.01 : 103,869.61 = 21,850.93 : x
  2. Step 2: Convert to fraction form
    69,234.01/103,869.61 = 21,850.93/x
  3. Step 3: Cross multiply
    69,234.01x = 103,869.61 × 21,850.93
  4. Step 4: Simplify right side
    69,234.01x = 2,269,647,467.98
  5. Step 5: Solve for x
    x = 2,269,647,467.98/69,234.01
  6. Step 6: Final answer
    x = 32,782.26

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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.