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Finding the Fourth Proportional to 6,635.99, 9,958.04 and 2,739.89

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Solution

The fourth proportional to 6,635.99, 9,958.04 and 2,739.89 is: 4,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.99 : 9,958.04 = 2,739.89 : x
  2. Step 2: Convert to fraction form
    6,635.99/9,958.04 = 2,739.89/x
  3. Step 3: Cross multiply
    6,635.99x = 9,958.04 × 2,739.89
  4. Step 4: Simplify right side
    6,635.99x = 27,283,955.69
  5. Step 5: Solve for x
    x = 27,283,955.69/6,635.99
  6. Step 6: Final answer
    x = 4,111.51

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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.