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Finding the Fourth Proportional to 17,121.67, 23,631.02 and 9,952.57

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Solution

The fourth proportional to 17,121.67, 23,631.02 and 9,952.57 is: 13,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.67 : 23,631.02 = 9,952.57 : x
  2. Step 2: Convert to fraction form
    17,121.67/23,631.02 = 9,952.57/x
  3. Step 3: Cross multiply
    17,121.67x = 23,631.02 × 9,952.57
  4. Step 4: Simplify right side
    17,121.67x = 235,189,380.72
  5. Step 5: Solve for x
    x = 235,189,380.72/17,121.67
  6. Step 6: Final answer
    x = 13,736.36

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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.