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Finding the Fourth Proportional to 3,302.88, 4,958.52 and 3,289.92

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Solution

The fourth proportional to 3,302.88, 4,958.52 and 3,289.92 is: 4,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.88 : 4,958.52 = 3,289.92 : x
  2. Step 2: Convert to fraction form
    3,302.88/4,958.52 = 3,289.92/x
  3. Step 3: Cross multiply
    3,302.88x = 4,958.52 × 3,289.92
  4. Step 4: Simplify right side
    3,302.88x = 16,313,134.12
  5. Step 5: Solve for x
    x = 16,313,134.12/3,302.88
  6. Step 6: Final answer
    x = 4,939.06

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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.