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Finding the Fourth Proportional to 61,354.38, 91,982.22 and 34,683.91

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Solution

The fourth proportional to 61,354.38, 91,982.22 and 34,683.91 is: 51,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,354.38 : 91,982.22 = 34,683.91 : x
  2. Step 2: Convert to fraction form
    61,354.38/91,982.22 = 34,683.91/x
  3. Step 3: Cross multiply
    61,354.38x = 91,982.22 × 34,683.91
  4. Step 4: Simplify right side
    61,354.38x = 3,190,303,040.08
  5. Step 5: Solve for x
    x = 3,190,303,040.08/61,354.38
  6. Step 6: Final answer
    x = 51,997.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.