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Finding the Fourth Proportional to 17,863.92, 26,766.72 and 17,181.36

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Solution

The fourth proportional to 17,863.92, 26,766.72 and 17,181.36 is: 25,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.92 : 26,766.72 = 17,181.36 : x
  2. Step 2: Convert to fraction form
    17,863.92/26,766.72 = 17,181.36/x
  3. Step 3: Cross multiply
    17,863.92x = 26,766.72 × 17,181.36
  4. Step 4: Simplify right side
    17,863.92x = 459,888,652.34
  5. Step 5: Solve for x
    x = 459,888,652.34/17,863.92
  6. Step 6: Final answer
    x = 25,743.99

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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.