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Finding the Fourth Proportional to 16,768.63, 25,157.97 and 6,768.23

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Solution

The fourth proportional to 16,768.63, 25,157.97 and 6,768.23 is: 10,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.63 : 25,157.97 = 6,768.23 : x
  2. Step 2: Convert to fraction form
    16,768.63/25,157.97 = 6,768.23/x
  3. Step 3: Cross multiply
    16,768.63x = 25,157.97 × 6,768.23
  4. Step 4: Simplify right side
    16,768.63x = 170,274,864.40
  5. Step 5: Solve for x
    x = 170,274,864.40/16,768.63
  6. Step 6: Final answer
    x = 10,154.37

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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.