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Finding the Fourth Proportional to 17,232.62, 25,732.19 and 13,682.79

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Solution

The fourth proportional to 17,232.62, 25,732.19 and 13,682.79 is: 20,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,232.62 : 25,732.19 = 13,682.79 : x
  2. Step 2: Convert to fraction form
    17,232.62/25,732.19 = 13,682.79/x
  3. Step 3: Cross multiply
    17,232.62x = 25,732.19 × 13,682.79
  4. Step 4: Simplify right side
    17,232.62x = 352,088,147.73
  5. Step 5: Solve for x
    x = 352,088,147.73/17,232.62
  6. Step 6: Final answer
    x = 20,431.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.