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Finding the Fourth Proportional to 17,967.28, 26,958.24 and 8,099.68

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Solution

The fourth proportional to 17,967.28, 26,958.24 and 8,099.68 is: 12,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.28 : 26,958.24 = 8,099.68 : x
  2. Step 2: Convert to fraction form
    17,967.28/26,958.24 = 8,099.68/x
  3. Step 3: Cross multiply
    17,967.28x = 26,958.24 × 8,099.68
  4. Step 4: Simplify right side
    17,967.28x = 218,353,117.36
  5. Step 5: Solve for x
    x = 218,353,117.36/17,967.28
  6. Step 6: Final answer
    x = 12,152.82

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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.