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Finding the Fourth Proportional to 8,511.58, 12,766.22 and 3,245.16

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Solution

The fourth proportional to 8,511.58, 12,766.22 and 3,245.16 is: 4,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.58 : 12,766.22 = 3,245.16 : x
  2. Step 2: Convert to fraction form
    8,511.58/12,766.22 = 3,245.16/x
  3. Step 3: Cross multiply
    8,511.58x = 12,766.22 × 3,245.16
  4. Step 4: Simplify right side
    8,511.58x = 41,428,426.50
  5. Step 5: Solve for x
    x = 41,428,426.50/8,511.58
  6. Step 6: Final answer
    x = 4,867.30

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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.