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Finding the Fourth Proportional to 18,451.12, 27,654 and 8,050.72

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Solution

The fourth proportional to 18,451.12, 27,654 and 8,050.72 is: 12,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.12 : 27,654 = 8,050.72 : x
  2. Step 2: Convert to fraction form
    18,451.12/27,654 = 8,050.72/x
  3. Step 3: Cross multiply
    18,451.12x = 27,654 × 8,050.72
  4. Step 4: Simplify right side
    18,451.12x = 222,634,610.88
  5. Step 5: Solve for x
    x = 222,634,610.88/18,451.12
  6. Step 6: Final answer
    x = 12,066.18

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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.