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Finding the Fourth Proportional to 22,651.25, 33,990.23 and 8,623.08

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Solution

The fourth proportional to 22,651.25, 33,990.23 and 8,623.08 is: 12,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.25 : 33,990.23 = 8,623.08 : x
  2. Step 2: Convert to fraction form
    22,651.25/33,990.23 = 8,623.08/x
  3. Step 3: Cross multiply
    22,651.25x = 33,990.23 × 8,623.08
  4. Step 4: Simplify right side
    22,651.25x = 293,100,494.07
  5. Step 5: Solve for x
    x = 293,100,494.07/22,651.25
  6. Step 6: Final answer
    x = 12,939.70

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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.