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Finding the Fourth Proportional to 16,636.63, 24,940.97 and 6,782.98

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Solution

The fourth proportional to 16,636.63, 24,940.97 and 6,782.98 is: 10,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.63 : 24,940.97 = 6,782.98 : x
  2. Step 2: Convert to fraction form
    16,636.63/24,940.97 = 6,782.98/x
  3. Step 3: Cross multiply
    16,636.63x = 24,940.97 × 6,782.98
  4. Step 4: Simplify right side
    16,636.63x = 169,173,942.07
  5. Step 5: Solve for x
    x = 169,173,942.07/16,636.63
  6. Step 6: Final answer
    x = 10,168.77

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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.