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Finding the Fourth Proportional to 2,683.66, 4,025.61 and 735.60

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Solution

The fourth proportional to 2,683.66, 4,025.61 and 735.60 is: 1,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.66 : 4,025.61 = 735.60 : x
  2. Step 2: Convert to fraction form
    2,683.66/4,025.61 = 735.60/x
  3. Step 3: Cross multiply
    2,683.66x = 4,025.61 × 735.60
  4. Step 4: Simplify right side
    2,683.66x = 2,961,238.72
  5. Step 5: Solve for x
    x = 2,961,238.72/2,683.66
  6. Step 6: Final answer
    x = 1,103.43

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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.