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Finding the Fourth Proportional to 16,921.44, 23,351.04 and 9,367.50

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Solution

The fourth proportional to 16,921.44, 23,351.04 and 9,367.50 is: 12,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.44 : 23,351.04 = 9,367.50 : x
  2. Step 2: Convert to fraction form
    16,921.44/23,351.04 = 9,367.50/x
  3. Step 3: Cross multiply
    16,921.44x = 23,351.04 × 9,367.50
  4. Step 4: Simplify right side
    16,921.44x = 218,740,867.20
  5. Step 5: Solve for x
    x = 218,740,867.20/16,921.44
  6. Step 6: Final answer
    x = 12,926.85

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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.