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Finding the Fourth Proportional to 17,311.52, 23,889.90 and 9,353.73

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Solution

The fourth proportional to 17,311.52, 23,889.90 and 9,353.73 is: 12,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.52 : 23,889.90 = 9,353.73 : x
  2. Step 2: Convert to fraction form
    17,311.52/23,889.90 = 9,353.73/x
  3. Step 3: Cross multiply
    17,311.52x = 23,889.90 × 9,353.73
  4. Step 4: Simplify right side
    17,311.52x = 223,459,674.33
  5. Step 5: Solve for x
    x = 223,459,674.33/17,311.52
  6. Step 6: Final answer
    x = 12,908.15

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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.