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Finding the Fourth Proportional to 18,451.87, 27,676.15 and 11,050.93

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Solution

The fourth proportional to 18,451.87, 27,676.15 and 11,050.93 is: 16,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.87 : 27,676.15 = 11,050.93 : x
  2. Step 2: Convert to fraction form
    18,451.87/27,676.15 = 11,050.93/x
  3. Step 3: Cross multiply
    18,451.87x = 27,676.15 × 11,050.93
  4. Step 4: Simplify right side
    18,451.87x = 305,847,203.29
  5. Step 5: Solve for x
    x = 305,847,203.29/18,451.87
  6. Step 6: Final answer
    x = 16,575.41

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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.