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Finding the Fourth Proportional to 6,628.83, 9,942.60 and 2,245.77

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Solution

The fourth proportional to 6,628.83, 9,942.60 and 2,245.77 is: 3,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.83 : 9,942.60 = 2,245.77 : x
  2. Step 2: Convert to fraction form
    6,628.83/9,942.60 = 2,245.77/x
  3. Step 3: Cross multiply
    6,628.83x = 9,942.60 × 2,245.77
  4. Step 4: Simplify right side
    6,628.83x = 22,328,792.80
  5. Step 5: Solve for x
    x = 22,328,792.80/6,628.83
  6. Step 6: Final answer
    x = 3,368.44

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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.