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Finding the Fourth Proportional to 16,960.20, 23,405.05 and 9,508.20

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Solution

The fourth proportional to 16,960.20, 23,405.05 and 9,508.20 is: 13,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.20 : 23,405.05 = 9,508.20 : x
  2. Step 2: Convert to fraction form
    16,960.20/23,405.05 = 9,508.20/x
  3. Step 3: Cross multiply
    16,960.20x = 23,405.05 × 9,508.20
  4. Step 4: Simplify right side
    16,960.20x = 222,539,896.41
  5. Step 5: Solve for x
    x = 222,539,896.41/16,960.20
  6. Step 6: Final answer
    x = 13,121.30

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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.