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Finding the Fourth Proportional to 7,755.44, 11,633.16 and 1,912.04

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Solution

The fourth proportional to 7,755.44, 11,633.16 and 1,912.04 is: 2,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.44 : 11,633.16 = 1,912.04 : x
  2. Step 2: Convert to fraction form
    7,755.44/11,633.16 = 1,912.04/x
  3. Step 3: Cross multiply
    7,755.44x = 11,633.16 × 1,912.04
  4. Step 4: Simplify right side
    7,755.44x = 22,243,067.25
  5. Step 5: Solve for x
    x = 22,243,067.25/7,755.44
  6. Step 6: Final answer
    x = 2,868.06

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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.