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Finding the Fourth Proportional to 18,100.83, 24,979.14 and 11,027.28

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Solution

The fourth proportional to 18,100.83, 24,979.14 and 11,027.28 is: 15,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.83 : 24,979.14 = 11,027.28 : x
  2. Step 2: Convert to fraction form
    18,100.83/24,979.14 = 11,027.28/x
  3. Step 3: Cross multiply
    18,100.83x = 24,979.14 × 11,027.28
  4. Step 4: Simplify right side
    18,100.83x = 275,451,970.94
  5. Step 5: Solve for x
    x = 275,451,970.94/18,100.83
  6. Step 6: Final answer
    x = 15,217.64

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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.