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Finding the Fourth Proportional to 29,273.78, 43,910.78 and 7,087.12

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Solution

The fourth proportional to 29,273.78, 43,910.78 and 7,087.12 is: 10,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,273.78 : 43,910.78 = 7,087.12 : x
  2. Step 2: Convert to fraction form
    29,273.78/43,910.78 = 7,087.12/x
  3. Step 3: Cross multiply
    29,273.78x = 43,910.78 × 7,087.12
  4. Step 4: Simplify right side
    29,273.78x = 311,200,821.94
  5. Step 5: Solve for x
    x = 311,200,821.94/29,273.78
  6. Step 6: Final answer
    x = 10,630.70

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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.