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Finding the Fourth Proportional to 17,361.18, 23,958.42 and 9,403.40

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Solution

The fourth proportional to 17,361.18, 23,958.42 and 9,403.40 is: 12,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.18 : 23,958.42 = 9,403.40 : x
  2. Step 2: Convert to fraction form
    17,361.18/23,958.42 = 9,403.40/x
  3. Step 3: Cross multiply
    17,361.18x = 23,958.42 × 9,403.40
  4. Step 4: Simplify right side
    17,361.18x = 225,290,606.63
  5. Step 5: Solve for x
    x = 225,290,606.63/17,361.18
  6. Step 6: Final answer
    x = 12,976.69

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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.