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Finding the Fourth Proportional to 9,273.02, 12,789.99 and 6,755.90

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Solution

The fourth proportional to 9,273.02, 12,789.99 and 6,755.90 is: 9,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273.02 : 12,789.99 = 6,755.90 : x
  2. Step 2: Convert to fraction form
    9,273.02/12,789.99 = 6,755.90/x
  3. Step 3: Cross multiply
    9,273.02x = 12,789.99 × 6,755.90
  4. Step 4: Simplify right side
    9,273.02x = 86,407,893.44
  5. Step 5: Solve for x
    x = 86,407,893.44/9,273.02
  6. Step 6: Final answer
    x = 9,318.20

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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.