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Finding the Fourth Proportional to 3,474.88, 4,797.12 and 3,003.04

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Solution

The fourth proportional to 3,474.88, 4,797.12 and 3,003.04 is: 4,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.88 : 4,797.12 = 3,003.04 : x
  2. Step 2: Convert to fraction form
    3,474.88/4,797.12 = 3,003.04/x
  3. Step 3: Cross multiply
    3,474.88x = 4,797.12 × 3,003.04
  4. Step 4: Simplify right side
    3,474.88x = 14,405,943.24
  5. Step 5: Solve for x
    x = 14,405,943.24/3,474.88
  6. Step 6: Final answer
    x = 4,145.74

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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.