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Finding the Fourth Proportional to 8,839.75, 13,259.64 and 2,683.75

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Solution

The fourth proportional to 8,839.75, 13,259.64 and 2,683.75 is: 4,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.75 : 13,259.64 = 2,683.75 : x
  2. Step 2: Convert to fraction form
    8,839.75/13,259.64 = 2,683.75/x
  3. Step 3: Cross multiply
    8,839.75x = 13,259.64 × 2,683.75
  4. Step 4: Simplify right side
    8,839.75x = 35,585,558.85
  5. Step 5: Solve for x
    x = 35,585,558.85/8,839.75
  6. Step 6: Final answer
    x = 4,025.63

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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.