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Finding the Fourth Proportional to 61,520.67, 84,879.63 and 37,622.43

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Solution

The fourth proportional to 61,520.67, 84,879.63 and 37,622.43 is: 51,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,520.67 : 84,879.63 = 37,622.43 : x
  2. Step 2: Convert to fraction form
    61,520.67/84,879.63 = 37,622.43/x
  3. Step 3: Cross multiply
    61,520.67x = 84,879.63 × 37,622.43
  4. Step 4: Simplify right side
    61,520.67x = 3,193,377,938.10
  5. Step 5: Solve for x
    x = 3,193,377,938.10/61,520.67
  6. Step 6: Final answer
    x = 51,907.40

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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.