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Finding the Fourth Proportional to 3,984.03, 5,497.06 and 2,305.39

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Solution

The fourth proportional to 3,984.03, 5,497.06 and 2,305.39 is: 3,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.03 : 5,497.06 = 2,305.39 : x
  2. Step 2: Convert to fraction form
    3,984.03/5,497.06 = 2,305.39/x
  3. Step 3: Cross multiply
    3,984.03x = 5,497.06 × 2,305.39
  4. Step 4: Simplify right side
    3,984.03x = 12,672,867.15
  5. Step 5: Solve for x
    x = 12,672,867.15/3,984.03
  6. Step 6: Final answer
    x = 3,180.92

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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.