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Finding the Fourth Proportional to 17,997.60, 27,028.80 and 17,414.40

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Solution

The fourth proportional to 17,997.60, 27,028.80 and 17,414.40 is: 26,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.60 : 27,028.80 = 17,414.40 : x
  2. Step 2: Convert to fraction form
    17,997.60/27,028.80 = 17,414.40/x
  3. Step 3: Cross multiply
    17,997.60x = 27,028.80 × 17,414.40
  4. Step 4: Simplify right side
    17,997.60x = 470,690,334.72
  5. Step 5: Solve for x
    x = 470,690,334.72/17,997.60
  6. Step 6: Final answer
    x = 26,152.95

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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.