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Finding the Fourth Proportional to 53,644.60, 80,481.30 and 47,841.40

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Solution

The fourth proportional to 53,644.60, 80,481.30 and 47,841.40 is: 71,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,644.60 : 80,481.30 = 47,841.40 : x
  2. Step 2: Convert to fraction form
    53,644.60/80,481.30 = 47,841.40/x
  3. Step 3: Cross multiply
    53,644.60x = 80,481.30 × 47,841.40
  4. Step 4: Simplify right side
    53,644.60x = 3,850,338,065.82
  5. Step 5: Solve for x
    x = 3,850,338,065.82/53,644.60
  6. Step 6: Final answer
    x = 71,774.94

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