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Finding the Fourth Proportional to 4,976.12, 7,464 and 2,052.24

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Solution

The fourth proportional to 4,976.12, 7,464 and 2,052.24 is: 3,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.12 : 7,464 = 2,052.24 : x
  2. Step 2: Convert to fraction form
    4,976.12/7,464 = 2,052.24/x
  3. Step 3: Cross multiply
    4,976.12x = 7,464 × 2,052.24
  4. Step 4: Simplify right side
    4,976.12x = 15,317,919.36
  5. Step 5: Solve for x
    x = 15,317,919.36/4,976.12
  6. Step 6: Final answer
    x = 3,078.29

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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.