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Finding the Fourth Proportional to 17,321.16, 25,965.03 and 7,967.59

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Solution

The fourth proportional to 17,321.16, 25,965.03 and 7,967.59 is: 11,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.16 : 25,965.03 = 7,967.59 : x
  2. Step 2: Convert to fraction form
    17,321.16/25,965.03 = 7,967.59/x
  3. Step 3: Cross multiply
    17,321.16x = 25,965.03 × 7,967.59
  4. Step 4: Simplify right side
    17,321.16x = 206,878,583.55
  5. Step 5: Solve for x
    x = 206,878,583.55/17,321.16
  6. Step 6: Final answer
    x = 11,943.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.