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Finding the Fourth Proportional to 35,396.94, 48,847.92 and 19,481.96

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Solution

The fourth proportional to 35,396.94, 48,847.92 and 19,481.96 is: 26,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,396.94 : 48,847.92 = 19,481.96 : x
  2. Step 2: Convert to fraction form
    35,396.94/48,847.92 = 19,481.96/x
  3. Step 3: Cross multiply
    35,396.94x = 48,847.92 × 19,481.96
  4. Step 4: Simplify right side
    35,396.94x = 951,652,881.87
  5. Step 5: Solve for x
    x = 951,652,881.87/35,396.94
  6. Step 6: Final answer
    x = 26,885.17

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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.