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Finding the Fourth Proportional to 4,071.99, 6,108 and 3,255.48

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Solution

The fourth proportional to 4,071.99, 6,108 and 3,255.48 is: 4,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.99 : 6,108 = 3,255.48 : x
  2. Step 2: Convert to fraction form
    4,071.99/6,108 = 3,255.48/x
  3. Step 3: Cross multiply
    4,071.99x = 6,108 × 3,255.48
  4. Step 4: Simplify right side
    4,071.99x = 19,884,471.84
  5. Step 5: Solve for x
    x = 19,884,471.84/4,071.99
  6. Step 6: Final answer
    x = 4,883.23

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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.