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Finding the Fourth Proportional to 27,039.56, 37,308.20 and 16,428.56

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Solution

The fourth proportional to 27,039.56, 37,308.20 and 16,428.56 is: 22,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.56 : 37,308.20 = 16,428.56 : x
  2. Step 2: Convert to fraction form
    27,039.56/37,308.20 = 16,428.56/x
  3. Step 3: Cross multiply
    27,039.56x = 37,308.20 × 16,428.56
  4. Step 4: Simplify right side
    27,039.56x = 612,920,002.19
  5. Step 5: Solve for x
    x = 612,920,002.19/27,039.56
  6. Step 6: Final answer
    x = 22,667.53

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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.