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Finding the Fourth Proportional to 9,883.92, 14,822.29 and 3,308.55

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Solution

The fourth proportional to 9,883.92, 14,822.29 and 3,308.55 is: 4,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.92 : 14,822.29 = 3,308.55 : x
  2. Step 2: Convert to fraction form
    9,883.92/14,822.29 = 3,308.55/x
  3. Step 3: Cross multiply
    9,883.92x = 14,822.29 × 3,308.55
  4. Step 4: Simplify right side
    9,883.92x = 49,040,236.13
  5. Step 5: Solve for x
    x = 49,040,236.13/9,883.92
  6. Step 6: Final answer
    x = 4,961.62

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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.