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Finding the Fourth Proportional to 62,936.64, 86,888.52 and 41,744.70

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Solution

The fourth proportional to 62,936.64, 86,888.52 and 41,744.70 is: 57,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,936.64 : 86,888.52 = 41,744.70 : x
  2. Step 2: Convert to fraction form
    62,936.64/86,888.52 = 41,744.70/x
  3. Step 3: Cross multiply
    62,936.64x = 86,888.52 × 41,744.70
  4. Step 4: Simplify right side
    62,936.64x = 3,627,135,200.84
  5. Step 5: Solve for x
    x = 3,627,135,200.84/62,936.64
  6. Step 6: Final answer
    x = 57,631.54

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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.