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Finding the Fourth Proportional to 11,874.08, 17,805.92 and 5,635.88

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Solution

The fourth proportional to 11,874.08, 17,805.92 and 5,635.88 is: 8,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.08 : 17,805.92 = 5,635.88 : x
  2. Step 2: Convert to fraction form
    11,874.08/17,805.92 = 5,635.88/x
  3. Step 3: Cross multiply
    11,874.08x = 17,805.92 × 5,635.88
  4. Step 4: Simplify right side
    11,874.08x = 100,352,028.41
  5. Step 5: Solve for x
    x = 100,352,028.41/11,874.08
  6. Step 6: Final answer
    x = 8,451.35

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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.