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Finding the Fourth Proportional to 27,654.60, 41,481.90 and 9,186.60

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Solution

The fourth proportional to 27,654.60, 41,481.90 and 9,186.60 is: 13,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.60 : 41,481.90 = 9,186.60 : x
  2. Step 2: Convert to fraction form
    27,654.60/41,481.90 = 9,186.60/x
  3. Step 3: Cross multiply
    27,654.60x = 41,481.90 × 9,186.60
  4. Step 4: Simplify right side
    27,654.60x = 381,077,622.54
  5. Step 5: Solve for x
    x = 381,077,622.54/27,654.60
  6. Step 6: Final answer
    x = 13,779.90

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1.5x scale

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.