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Finding the Fourth Proportional to 3,393.89, 4,683.99 and 3,246.27

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Solution

The fourth proportional to 3,393.89, 4,683.99 and 3,246.27 is: 4,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.89 : 4,683.99 = 3,246.27 : x
  2. Step 2: Convert to fraction form
    3,393.89/4,683.99 = 3,246.27/x
  3. Step 3: Cross multiply
    3,393.89x = 4,683.99 × 3,246.27
  4. Step 4: Simplify right side
    3,393.89x = 15,205,496.22
  5. Step 5: Solve for x
    x = 15,205,496.22/3,393.89
  6. Step 6: Final answer
    x = 4,480.26

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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.