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Finding the Fourth Proportional to 8,203.94, 12,305.94 and 2,047.94

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Solution

The fourth proportional to 8,203.94, 12,305.94 and 2,047.94 is: 3,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.94 : 12,305.94 = 2,047.94 : x
  2. Step 2: Convert to fraction form
    8,203.94/12,305.94 = 2,047.94/x
  3. Step 3: Cross multiply
    8,203.94x = 12,305.94 × 2,047.94
  4. Step 4: Simplify right side
    8,203.94x = 25,201,826.76
  5. Step 5: Solve for x
    x = 25,201,826.76/8,203.94
  6. Step 6: Final answer
    x = 3,071.92

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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.