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Finding the Fourth Proportional to 4,482.80, 6,724.14 and 2,015.88

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Solution

The fourth proportional to 4,482.80, 6,724.14 and 2,015.88 is: 3,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.80 : 6,724.14 = 2,015.88 : x
  2. Step 2: Convert to fraction form
    4,482.80/6,724.14 = 2,015.88/x
  3. Step 3: Cross multiply
    4,482.80x = 6,724.14 × 2,015.88
  4. Step 4: Simplify right side
    4,482.80x = 13,555,059.34
  5. Step 5: Solve for x
    x = 13,555,059.34/4,482.80
  6. Step 6: Final answer
    x = 3,023.79

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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.