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Finding the Fourth Proportional to 15,982.92, 23,979.24 and 9,664.92

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Solution

The fourth proportional to 15,982.92, 23,979.24 and 9,664.92 is: 14,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.92 : 23,979.24 = 9,664.92 : x
  2. Step 2: Convert to fraction form
    15,982.92/23,979.24 = 9,664.92/x
  3. Step 3: Cross multiply
    15,982.92x = 23,979.24 × 9,664.92
  4. Step 4: Simplify right side
    15,982.92x = 231,757,436.26
  5. Step 5: Solve for x
    x = 231,757,436.26/15,982.92
  6. Step 6: Final answer
    x = 14,500.32

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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.