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Finding the Fourth Proportional to 17,361.53, 23,958.75 and 9,403.28

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Solution

The fourth proportional to 17,361.53, 23,958.75 and 9,403.28 is: 12,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.53 : 23,958.75 = 9,403.28 : x
  2. Step 2: Convert to fraction form
    17,361.53/23,958.75 = 9,403.28/x
  3. Step 3: Cross multiply
    17,361.53x = 23,958.75 × 9,403.28
  4. Step 4: Simplify right side
    17,361.53x = 225,290,834.70
  5. Step 5: Solve for x
    x = 225,290,834.70/17,361.53
  6. Step 6: Final answer
    x = 12,976.44

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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.