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Finding the Fourth Proportional to 44,719.60, 66,906.60 and 29,167.60

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Solution

The fourth proportional to 44,719.60, 66,906.60 and 29,167.60 is: 43,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,719.60 : 66,906.60 = 29,167.60 : x
  2. Step 2: Convert to fraction form
    44,719.60/66,906.60 = 29,167.60/x
  3. Step 3: Cross multiply
    44,719.60x = 66,906.60 × 29,167.60
  4. Step 4: Simplify right side
    44,719.60x = 1,951,504,946.16
  5. Step 5: Solve for x
    x = 1,951,504,946.16/44,719.60
  6. Step 6: Final answer
    x = 43,638.69

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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.