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Finding the Fourth Proportional to 17,272.54, 23,836.07 and 9,718.88

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Solution

The fourth proportional to 17,272.54, 23,836.07 and 9,718.88 is: 13,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.54 : 23,836.07 = 9,718.88 : x
  2. Step 2: Convert to fraction form
    17,272.54/23,836.07 = 9,718.88/x
  3. Step 3: Cross multiply
    17,272.54x = 23,836.07 × 9,718.88
  4. Step 4: Simplify right side
    17,272.54x = 231,659,904.00
  5. Step 5: Solve for x
    x = 231,659,904.00/17,272.54
  6. Step 6: Final answer
    x = 13,412.03

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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.