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Finding the Fourth Proportional to 17,967.62, 26,954.31 and 7,580.90

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Solution

The fourth proportional to 17,967.62, 26,954.31 and 7,580.90 is: 11,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.62 : 26,954.31 = 7,580.90 : x
  2. Step 2: Convert to fraction form
    17,967.62/26,954.31 = 7,580.90/x
  3. Step 3: Cross multiply
    17,967.62x = 26,954.31 × 7,580.90
  4. Step 4: Simplify right side
    17,967.62x = 204,337,928.68
  5. Step 5: Solve for x
    x = 204,337,928.68/17,967.62
  6. Step 6: Final answer
    x = 11,372.57

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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.