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Finding the Fourth Proportional to 16,768.79, 25,164.74 and 6,908.09

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Solution

The fourth proportional to 16,768.79, 25,164.74 and 6,908.09 is: 10,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.79 : 25,164.74 = 6,908.09 : x
  2. Step 2: Convert to fraction form
    16,768.79/25,164.74 = 6,908.09/x
  3. Step 3: Cross multiply
    16,768.79x = 25,164.74 × 6,908.09
  4. Step 4: Simplify right side
    16,768.79x = 173,840,180.19
  5. Step 5: Solve for x
    x = 173,840,180.19/16,768.79
  6. Step 6: Final answer
    x = 10,366.89

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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.