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Finding the Fourth Proportional to 8,704.44, 12,006.18 and 5,559.24

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Solution

The fourth proportional to 8,704.44, 12,006.18 and 5,559.24 is: 7,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.44 : 12,006.18 = 5,559.24 : x
  2. Step 2: Convert to fraction form
    8,704.44/12,006.18 = 5,559.24/x
  3. Step 3: Cross multiply
    8,704.44x = 12,006.18 × 5,559.24
  4. Step 4: Simplify right side
    8,704.44x = 66,745,236.10
  5. Step 5: Solve for x
    x = 66,745,236.10/8,704.44
  6. Step 6: Final answer
    x = 7,667.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.