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Finding the Fourth Proportional to 8,517.96, 12,776.90 and 2,361.96

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Solution

The fourth proportional to 8,517.96, 12,776.90 and 2,361.96 is: 3,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.96 : 12,776.90 = 2,361.96 : x
  2. Step 2: Convert to fraction form
    8,517.96/12,776.90 = 2,361.96/x
  3. Step 3: Cross multiply
    8,517.96x = 12,776.90 × 2,361.96
  4. Step 4: Simplify right side
    8,517.96x = 30,178,514.91
  5. Step 5: Solve for x
    x = 30,178,514.91/8,517.96
  6. Step 6: Final answer
    x = 3,542.93

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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.