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Finding the Fourth Proportional to 3,969.68, 5,953.92 and 2,504.36

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Solution

The fourth proportional to 3,969.68, 5,953.92 and 2,504.36 is: 3,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.68 : 5,953.92 = 2,504.36 : x
  2. Step 2: Convert to fraction form
    3,969.68/5,953.92 = 2,504.36/x
  3. Step 3: Cross multiply
    3,969.68x = 5,953.92 × 2,504.36
  4. Step 4: Simplify right side
    3,969.68x = 14,910,759.09
  5. Step 5: Solve for x
    x = 14,910,759.09/3,969.68
  6. Step 6: Final answer
    x = 3,756.16

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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.