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Finding the Fourth Proportional to 2,999.70, 4,500.84 and 1,611.41

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Solution

The fourth proportional to 2,999.70, 4,500.84 and 1,611.41 is: 2,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.70 : 4,500.84 = 1,611.41 : x
  2. Step 2: Convert to fraction form
    2,999.70/4,500.84 = 1,611.41/x
  3. Step 3: Cross multiply
    2,999.70x = 4,500.84 × 1,611.41
  4. Step 4: Simplify right side
    2,999.70x = 7,252,698.58
  5. Step 5: Solve for x
    x = 7,252,698.58/2,999.70
  6. Step 6: Final answer
    x = 2,417.81

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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.