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Finding the Fourth Proportional to 3,573.92, 4,932 and 2,002

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Solution

The fourth proportional to 3,573.92, 4,932 and 2,002 is: 2,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.92 : 4,932 = 2,002 : x
  2. Step 2: Convert to fraction form
    3,573.92/4,932 = 2,002/x
  3. Step 3: Cross multiply
    3,573.92x = 4,932 × 2,002
  4. Step 4: Simplify right side
    3,573.92x = 9,873,864
  5. Step 5: Solve for x
    x = 9,873,864/3,573.92
  6. Step 6: Final answer
    x = 2,762.75

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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.