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Finding the Fourth Proportional to 17,054.92, 25,619.60 and 12,156.04

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Solution

The fourth proportional to 17,054.92, 25,619.60 and 12,156.04 is: 18,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,054.92 : 25,619.60 = 12,156.04 : x
  2. Step 2: Convert to fraction form
    17,054.92/25,619.60 = 12,156.04/x
  3. Step 3: Cross multiply
    17,054.92x = 25,619.60 × 12,156.04
  4. Step 4: Simplify right side
    17,054.92x = 311,432,882.38
  5. Step 5: Solve for x
    x = 311,432,882.38/17,054.92
  6. Step 6: Final answer
    x = 18,260.59

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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.