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Finding the Fourth Proportional to 47,883.73, 66,078.90 and 26,662.99

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Solution

The fourth proportional to 47,883.73, 66,078.90 and 26,662.99 is: 36,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,883.73 : 66,078.90 = 26,662.99 : x
  2. Step 2: Convert to fraction form
    47,883.73/66,078.90 = 26,662.99/x
  3. Step 3: Cross multiply
    47,883.73x = 66,078.90 × 26,662.99
  4. Step 4: Simplify right side
    47,883.73x = 1,761,861,049.91
  5. Step 5: Solve for x
    x = 1,761,861,049.91/47,883.73
  6. Step 6: Final answer
    x = 36,794.57

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1.5x scale

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.