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Finding the Fourth Proportional to 62,759.96, 86,609.79 and 34,079.68

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Solution

The fourth proportional to 62,759.96, 86,609.79 and 34,079.68 is: 47,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.96 : 86,609.79 = 34,079.68 : x
  2. Step 2: Convert to fraction form
    62,759.96/86,609.79 = 34,079.68/x
  3. Step 3: Cross multiply
    62,759.96x = 86,609.79 × 34,079.68
  4. Step 4: Simplify right side
    62,759.96x = 2,951,633,583.74
  5. Step 5: Solve for x
    x = 2,951,633,583.74/62,759.96
  6. Step 6: Final answer
    x = 47,030.52

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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.