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Finding the Fourth Proportional to 22,620.51, 33,933.63 and 8,585.43

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Solution

The fourth proportional to 22,620.51, 33,933.63 and 8,585.43 is: 12,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.51 : 33,933.63 = 8,585.43 : x
  2. Step 2: Convert to fraction form
    22,620.51/33,933.63 = 8,585.43/x
  3. Step 3: Cross multiply
    22,620.51x = 33,933.63 × 8,585.43
  4. Step 4: Simplify right side
    22,620.51x = 291,334,805.01
  5. Step 5: Solve for x
    x = 291,334,805.01/22,620.51
  6. Step 6: Final answer
    x = 12,879.23

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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.