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Finding the Fourth Proportional to 2,305.94, 3,455.94 and 843.35

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Solution

The fourth proportional to 2,305.94, 3,455.94 and 843.35 is: 1,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.94 : 3,455.94 = 843.35 : x
  2. Step 2: Convert to fraction form
    2,305.94/3,455.94 = 843.35/x
  3. Step 3: Cross multiply
    2,305.94x = 3,455.94 × 843.35
  4. Step 4: Simplify right side
    2,305.94x = 2,914,567.00
  5. Step 5: Solve for x
    x = 2,914,567.00/2,305.94
  6. Step 6: Final answer
    x = 1,263.94

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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.