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Finding the Fourth Proportional to 16,392.26, 22,621.34 and 8,940.26

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Solution

The fourth proportional to 16,392.26, 22,621.34 and 8,940.26 is: 12,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.26 : 22,621.34 = 8,940.26 : x
  2. Step 2: Convert to fraction form
    16,392.26/22,621.34 = 8,940.26/x
  3. Step 3: Cross multiply
    16,392.26x = 22,621.34 × 8,940.26
  4. Step 4: Simplify right side
    16,392.26x = 202,240,661.15
  5. Step 5: Solve for x
    x = 202,240,661.15/16,392.26
  6. Step 6: Final answer
    x = 12,337.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.