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Finding the Fourth Proportional to 62,982.36, 86,914.62 and 34,690.68

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Solution

The fourth proportional to 62,982.36, 86,914.62 and 34,690.68 is: 47,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.36 : 86,914.62 = 34,690.68 : x
  2. Step 2: Convert to fraction form
    62,982.36/86,914.62 = 34,690.68/x
  3. Step 3: Cross multiply
    62,982.36x = 86,914.62 × 34,690.68
  4. Step 4: Simplify right side
    62,982.36x = 3,015,127,269.74
  5. Step 5: Solve for x
    x = 3,015,127,269.74/62,982.36
  6. Step 6: Final answer
    x = 47,872.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.