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Finding the Fourth Proportional to 62,667.96, 86,481.32 and 34,373.45

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Solution

The fourth proportional to 62,667.96, 86,481.32 and 34,373.45 is: 47,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,667.96 : 86,481.32 = 34,373.45 : x
  2. Step 2: Convert to fraction form
    62,667.96/86,481.32 = 34,373.45/x
  3. Step 3: Cross multiply
    62,667.96x = 86,481.32 × 34,373.45
  4. Step 4: Simplify right side
    62,667.96x = 2,972,660,724.68
  5. Step 5: Solve for x
    x = 2,972,660,724.68/62,667.96
  6. Step 6: Final answer
    x = 47,435.10

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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.