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Finding the Fourth Proportional to 4,883.85, 6,739.71 and 2,645.73

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Solution

The fourth proportional to 4,883.85, 6,739.71 and 2,645.73 is: 3,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.85 : 6,739.71 = 2,645.73 : x
  2. Step 2: Convert to fraction form
    4,883.85/6,739.71 = 2,645.73/x
  3. Step 3: Cross multiply
    4,883.85x = 6,739.71 × 2,645.73
  4. Step 4: Simplify right side
    4,883.85x = 17,831,452.94
  5. Step 5: Solve for x
    x = 17,831,452.94/4,883.85
  6. Step 6: Final answer
    x = 3,651.11

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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.