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Finding the Fourth Proportional to 16,976.92, 23,428.04 and 9,424.34

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Solution

The fourth proportional to 16,976.92, 23,428.04 and 9,424.34 is: 13,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.92 : 23,428.04 = 9,424.34 : x
  2. Step 2: Convert to fraction form
    16,976.92/23,428.04 = 9,424.34/x
  3. Step 3: Cross multiply
    16,976.92x = 23,428.04 × 9,424.34
  4. Step 4: Simplify right side
    16,976.92x = 220,793,896.62
  5. Step 5: Solve for x
    x = 220,793,896.62/16,976.92
  6. Step 6: Final answer
    x = 13,005.54

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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.