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Finding the Fourth Proportional to 27,193.20, 40,789.80 and 23,912.70

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Solution

The fourth proportional to 27,193.20, 40,789.80 and 23,912.70 is: 35,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,193.20 : 40,789.80 = 23,912.70 : x
  2. Step 2: Convert to fraction form
    27,193.20/40,789.80 = 23,912.70/x
  3. Step 3: Cross multiply
    27,193.20x = 40,789.80 × 23,912.70
  4. Step 4: Simplify right side
    27,193.20x = 975,394,250.46
  5. Step 5: Solve for x
    x = 975,394,250.46/27,193.20
  6. Step 6: Final answer
    x = 35,869.05

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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.