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Finding the Fourth Proportional to 27,651.82, 38,162.80 and 17,457.66

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Solution

The fourth proportional to 27,651.82, 38,162.80 and 17,457.66 is: 24,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.82 : 38,162.80 = 17,457.66 : x
  2. Step 2: Convert to fraction form
    27,651.82/38,162.80 = 17,457.66/x
  3. Step 3: Cross multiply
    27,651.82x = 38,162.80 × 17,457.66
  4. Step 4: Simplify right side
    27,651.82x = 666,233,187.05
  5. Step 5: Solve for x
    x = 666,233,187.05/27,651.82
  6. Step 6: Final answer
    x = 24,093.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.