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Finding the Fourth Proportional to 27,996.60, 41,930.10 and 27,348.60

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Solution

The fourth proportional to 27,996.60, 41,930.10 and 27,348.60 is: 40,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.60 : 41,930.10 = 27,348.60 : x
  2. Step 2: Convert to fraction form
    27,996.60/41,930.10 = 27,348.60/x
  3. Step 3: Cross multiply
    27,996.60x = 41,930.10 × 27,348.60
  4. Step 4: Simplify right side
    27,996.60x = 1,146,729,532.86
  5. Step 5: Solve for x
    x = 1,146,729,532.86/27,996.60
  6. Step 6: Final answer
    x = 40,959.60

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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.