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Finding the Fourth Proportional to 3,611.77, 4,984.01 and 2,039.77

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Solution

The fourth proportional to 3,611.77, 4,984.01 and 2,039.77 is: 2,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.77 : 4,984.01 = 2,039.77 : x
  2. Step 2: Convert to fraction form
    3,611.77/4,984.01 = 2,039.77/x
  3. Step 3: Cross multiply
    3,611.77x = 4,984.01 × 2,039.77
  4. Step 4: Simplify right side
    3,611.77x = 10,166,203.99
  5. Step 5: Solve for x
    x = 10,166,203.99/3,611.77
  6. Step 6: Final answer
    x = 2,814.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.