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Finding the Fourth Proportional to 62,911.13, 86,817.96 and 34,617.42

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Solution

The fourth proportional to 62,911.13, 86,817.96 and 34,617.42 is: 47,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.13 : 86,817.96 = 34,617.42 : x
  2. Step 2: Convert to fraction form
    62,911.13/86,817.96 = 34,617.42/x
  3. Step 3: Cross multiply
    62,911.13x = 86,817.96 × 34,617.42
  4. Step 4: Simplify right side
    62,911.13x = 3,005,413,784.86
  5. Step 5: Solve for x
    x = 3,005,413,784.86/62,911.13
  6. Step 6: Final answer
    x = 47,772.37

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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.