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Finding the Fourth Proportional to 22,620.38, 33,933.44 and 8,585.31

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Solution

The fourth proportional to 22,620.38, 33,933.44 and 8,585.31 is: 12,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.38 : 33,933.44 = 8,585.31 : x
  2. Step 2: Convert to fraction form
    22,620.38/33,933.44 = 8,585.31/x
  3. Step 3: Cross multiply
    22,620.38x = 33,933.44 × 8,585.31
  4. Step 4: Simplify right side
    22,620.38x = 291,328,889.17
  5. Step 5: Solve for x
    x = 291,328,889.17/22,620.38
  6. Step 6: Final answer
    x = 12,879.05

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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.