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Finding the Fourth Proportional to 8,466.55, 12,701.37 and 2,843.65

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Solution

The fourth proportional to 8,466.55, 12,701.37 and 2,843.65 is: 4,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.55 : 12,701.37 = 2,843.65 : x
  2. Step 2: Convert to fraction form
    8,466.55/12,701.37 = 2,843.65/x
  3. Step 3: Cross multiply
    8,466.55x = 12,701.37 × 2,843.65
  4. Step 4: Simplify right side
    8,466.55x = 36,118,250.80
  5. Step 5: Solve for x
    x = 36,118,250.80/8,466.55
  6. Step 6: Final answer
    x = 4,265.99

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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.