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Finding the Fourth Proportional to 53,956.82, 80,936.82 and 14,513.96

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Solution

The fourth proportional to 53,956.82, 80,936.82 and 14,513.96 is: 21,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,956.82 : 80,936.82 = 14,513.96 : x
  2. Step 2: Convert to fraction form
    53,956.82/80,936.82 = 14,513.96/x
  3. Step 3: Cross multiply
    53,956.82x = 80,936.82 × 14,513.96
  4. Step 4: Simplify right side
    53,956.82x = 1,174,713,768.01
  5. Step 5: Solve for x
    x = 1,174,713,768.01/53,956.82
  6. Step 6: Final answer
    x = 21,771.37

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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.