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Finding the Fourth Proportional to 44,846, 61,893.42 and 28,976.60

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Solution

The fourth proportional to 44,846, 61,893.42 and 28,976.60 is: 39,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,846 : 61,893.42 = 28,976.60 : x
  2. Step 2: Convert to fraction form
    44,846/61,893.42 = 28,976.60/x
  3. Step 3: Cross multiply
    44,846x = 61,893.42 × 28,976.60
  4. Step 4: Simplify right side
    44,846x = 1,793,460,873.97
  5. Step 5: Solve for x
    x = 1,793,460,873.97/44,846
  6. Step 6: Final answer
    x = 39,991.55

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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.