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Finding the Fourth Proportional to 17,019.21, 25,523.08 and 7,156.65

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Solution

The fourth proportional to 17,019.21, 25,523.08 and 7,156.65 is: 10,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.21 : 25,523.08 = 7,156.65 : x
  2. Step 2: Convert to fraction form
    17,019.21/25,523.08 = 7,156.65/x
  3. Step 3: Cross multiply
    17,019.21x = 25,523.08 × 7,156.65
  4. Step 4: Simplify right side
    17,019.21x = 182,659,604.97
  5. Step 5: Solve for x
    x = 182,659,604.97/17,019.21
  6. Step 6: Final answer
    x = 10,732.56

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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.