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Finding the Fourth Proportional to 8,804.74, 13,198.22 and 5,520.14

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Solution

The fourth proportional to 8,804.74, 13,198.22 and 5,520.14 is: 8,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.74 : 13,198.22 = 5,520.14 : x
  2. Step 2: Convert to fraction form
    8,804.74/13,198.22 = 5,520.14/x
  3. Step 3: Cross multiply
    8,804.74x = 13,198.22 × 5,520.14
  4. Step 4: Simplify right side
    8,804.74x = 72,856,022.15
  5. Step 5: Solve for x
    x = 72,856,022.15/8,804.74
  6. Step 6: Final answer
    x = 8,274.64

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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.