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Finding the Fourth Proportional to 17,361.54, 23,958.91 and 9,403.75

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Solution

The fourth proportional to 17,361.54, 23,958.91 and 9,403.75 is: 12,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.54 : 23,958.91 = 9,403.75 : x
  2. Step 2: Convert to fraction form
    17,361.54/23,958.91 = 9,403.75/x
  3. Step 3: Cross multiply
    17,361.54x = 23,958.91 × 9,403.75
  4. Step 4: Simplify right side
    17,361.54x = 225,303,533.29
  5. Step 5: Solve for x
    x = 225,303,533.29/17,361.54
  6. Step 6: Final answer
    x = 12,977.16

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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.