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Finding the Fourth Proportional to 4,883.93, 6,739.20 and 2,759.30

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Solution

The fourth proportional to 4,883.93, 6,739.20 and 2,759.30 is: 3,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.93 : 6,739.20 = 2,759.30 : x
  2. Step 2: Convert to fraction form
    4,883.93/6,739.20 = 2,759.30/x
  3. Step 3: Cross multiply
    4,883.93x = 6,739.20 × 2,759.30
  4. Step 4: Simplify right side
    4,883.93x = 18,595,466.14
  5. Step 5: Solve for x
    x = 18,595,466.14/4,883.93
  6. Step 6: Final answer
    x = 3,807.48

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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.