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Finding the Fourth Proportional to 4,796.80, 7,185.12 and 2,201.92

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Solution

The fourth proportional to 4,796.80, 7,185.12 and 2,201.92 is: 3,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.80 : 7,185.12 = 2,201.92 : x
  2. Step 2: Convert to fraction form
    4,796.80/7,185.12 = 2,201.92/x
  3. Step 3: Cross multiply
    4,796.80x = 7,185.12 × 2,201.92
  4. Step 4: Simplify right side
    4,796.80x = 15,821,059.43
  5. Step 5: Solve for x
    x = 15,821,059.43/4,796.80
  6. Step 6: Final answer
    x = 3,298.25

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1.5x scale

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.