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Finding the Fourth Proportional to 27,051.51, 40,581.62 and 8,331.54

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Solution

The fourth proportional to 27,051.51, 40,581.62 and 8,331.54 is: 12,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.51 : 40,581.62 = 8,331.54 : x
  2. Step 2: Convert to fraction form
    27,051.51/40,581.62 = 8,331.54/x
  3. Step 3: Cross multiply
    27,051.51x = 40,581.62 × 8,331.54
  4. Step 4: Simplify right side
    27,051.51x = 338,107,163.12
  5. Step 5: Solve for x
    x = 338,107,163.12/27,051.51
  6. Step 6: Final answer
    x = 12,498.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.