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Finding the Fourth Proportional to 29,892.92, 41,272.07 and 18,579.29

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Solution

The fourth proportional to 29,892.92, 41,272.07 and 18,579.29 is: 25,651.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892.92 : 41,272.07 = 18,579.29 : x
  2. Step 2: Convert to fraction form
    29,892.92/41,272.07 = 18,579.29/x
  3. Step 3: Cross multiply
    29,892.92x = 41,272.07 × 18,579.29
  4. Step 4: Simplify right side
    29,892.92x = 766,805,757.43
  5. Step 5: Solve for x
    x = 766,805,757.43/29,892.92
  6. Step 6: Final answer
    x = 25,651.75

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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.