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Finding the Fourth Proportional to 8,467.08, 12,700.78 and 2,311.08

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Solution

The fourth proportional to 8,467.08, 12,700.78 and 2,311.08 is: 3,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.08 : 12,700.78 = 2,311.08 : x
  2. Step 2: Convert to fraction form
    8,467.08/12,700.78 = 2,311.08/x
  3. Step 3: Cross multiply
    8,467.08x = 12,700.78 × 2,311.08
  4. Step 4: Simplify right side
    8,467.08x = 29,352,518.64
  5. Step 5: Solve for x
    x = 29,352,518.64/8,467.08
  6. Step 6: Final answer
    x = 3,466.66

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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.