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Finding the Fourth Proportional to 4,674.58, 7,014.11 and 2,919.11

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Solution

The fourth proportional to 4,674.58, 7,014.11 and 2,919.11 is: 4,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.58 : 7,014.11 = 2,919.11 : x
  2. Step 2: Convert to fraction form
    4,674.58/7,014.11 = 2,919.11/x
  3. Step 3: Cross multiply
    4,674.58x = 7,014.11 × 2,919.11
  4. Step 4: Simplify right side
    4,674.58x = 20,474,908.98
  5. Step 5: Solve for x
    x = 20,474,908.98/4,674.58
  6. Step 6: Final answer
    x = 4,380.06

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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.