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Finding the Fourth Proportional to 23,179.78, 34,755.79 and 7,377.99

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Solution

The fourth proportional to 23,179.78, 34,755.79 and 7,377.99 is: 11,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.78 : 34,755.79 = 7,377.99 : x
  2. Step 2: Convert to fraction form
    23,179.78/34,755.79 = 7,377.99/x
  3. Step 3: Cross multiply
    23,179.78x = 34,755.79 × 7,377.99
  4. Step 4: Simplify right side
    23,179.78x = 256,427,660.39
  5. Step 5: Solve for x
    x = 256,427,660.39/23,179.78
  6. Step 6: Final answer
    x = 11,062.56

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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.