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Finding the Fourth Proportional to 11,361.46, 17,019.50 and 9,025.42

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Solution

The fourth proportional to 11,361.46, 17,019.50 and 9,025.42 is: 13,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.46 : 17,019.50 = 9,025.42 : x
  2. Step 2: Convert to fraction form
    11,361.46/17,019.50 = 9,025.42/x
  3. Step 3: Cross multiply
    11,361.46x = 17,019.50 × 9,025.42
  4. Step 4: Simplify right side
    11,361.46x = 153,608,135.69
  5. Step 5: Solve for x
    x = 153,608,135.69/11,361.46
  6. Step 6: Final answer
    x = 13,520.11

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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.