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Finding the Fourth Proportional to 11,361.96, 17,020.26 and 9,025.92

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Solution

The fourth proportional to 11,361.96, 17,020.26 and 9,025.92 is: 13,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.96 : 17,020.26 = 9,025.92 : x
  2. Step 2: Convert to fraction form
    11,361.96/17,020.26 = 9,025.92/x
  3. Step 3: Cross multiply
    11,361.96x = 17,020.26 × 9,025.92
  4. Step 4: Simplify right side
    11,361.96x = 153,623,505.14
  5. Step 5: Solve for x
    x = 153,623,505.14/11,361.96
  6. Step 6: Final answer
    x = 13,520.86

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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.