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Finding the Fourth Proportional to 8,722.75, 12,041.07 and 5,893.96

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Solution

The fourth proportional to 8,722.75, 12,041.07 and 5,893.96 is: 8,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.75 : 12,041.07 = 5,893.96 : x
  2. Step 2: Convert to fraction form
    8,722.75/12,041.07 = 5,893.96/x
  3. Step 3: Cross multiply
    8,722.75x = 12,041.07 × 5,893.96
  4. Step 4: Simplify right side
    8,722.75x = 70,969,584.94
  5. Step 5: Solve for x
    x = 70,969,584.94/8,722.75
  6. Step 6: Final answer
    x = 8,136.15

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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.