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Finding the Fourth Proportional to 17,217.36, 23,760.36 and 9,765.36

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Solution

The fourth proportional to 17,217.36, 23,760.36 and 9,765.36 is: 13,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.36 : 23,760.36 = 9,765.36 : x
  2. Step 2: Convert to fraction form
    17,217.36/23,760.36 = 9,765.36/x
  3. Step 3: Cross multiply
    17,217.36x = 23,760.36 × 9,765.36
  4. Step 4: Simplify right side
    17,217.36x = 232,028,469.13
  5. Step 5: Solve for x
    x = 232,028,469.13/17,217.36
  6. Step 6: Final answer
    x = 13,476.43

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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.