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Finding the Fourth Proportional to 6,451.45, 9,676.97 and 1,834.45

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Solution

The fourth proportional to 6,451.45, 9,676.97 and 1,834.45 is: 2,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.45 : 9,676.97 = 1,834.45 : x
  2. Step 2: Convert to fraction form
    6,451.45/9,676.97 = 1,834.45/x
  3. Step 3: Cross multiply
    6,451.45x = 9,676.97 × 1,834.45
  4. Step 4: Simplify right side
    6,451.45x = 17,751,917.62
  5. Step 5: Solve for x
    x = 17,751,917.62/6,451.45
  6. Step 6: Final answer
    x = 2,751.62

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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.