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Finding the Fourth Proportional to 2,399.94, 3,602.04 and 1,230.75

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Solution

The fourth proportional to 2,399.94, 3,602.04 and 1,230.75 is: 1,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.94 : 3,602.04 = 1,230.75 : x
  2. Step 2: Convert to fraction form
    2,399.94/3,602.04 = 1,230.75/x
  3. Step 3: Cross multiply
    2,399.94x = 3,602.04 × 1,230.75
  4. Step 4: Simplify right side
    2,399.94x = 4,433,210.73
  5. Step 5: Solve for x
    x = 4,433,210.73/2,399.94
  6. Step 6: Final answer
    x = 1,847.22

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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.