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Finding the Fourth Proportional to 17,215.25, 23,757.05 and 9,763.25

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Solution

The fourth proportional to 17,215.25, 23,757.05 and 9,763.25 is: 13,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.25 : 23,757.05 = 9,763.25 : x
  2. Step 2: Convert to fraction form
    17,215.25/23,757.05 = 9,763.25/x
  3. Step 3: Cross multiply
    17,215.25x = 23,757.05 × 9,763.25
  4. Step 4: Simplify right side
    17,215.25x = 231,946,018.41
  5. Step 5: Solve for x
    x = 231,946,018.41/17,215.25
  6. Step 6: Final answer
    x = 13,473.29

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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.