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Finding the Fourth Proportional to 61,374.51, 84,651.48 and 37,481.54

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Solution

The fourth proportional to 61,374.51, 84,651.48 and 37,481.54 is: 51,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.51 : 84,651.48 = 37,481.54 : x
  2. Step 2: Convert to fraction form
    61,374.51/84,651.48 = 37,481.54/x
  3. Step 3: Cross multiply
    61,374.51x = 84,651.48 × 37,481.54
  4. Step 4: Simplify right side
    61,374.51x = 3,172,867,410.42
  5. Step 5: Solve for x
    x = 3,172,867,410.42/61,374.51
  6. Step 6: Final answer
    x = 51,696.83

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Why These Related Problems?

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