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Finding the Fourth Proportional to 27,324.96, 37,708.57 and 15,388.50

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Solution

The fourth proportional to 27,324.96, 37,708.57 and 15,388.50 is: 21,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.96 : 37,708.57 = 15,388.50 : x
  2. Step 2: Convert to fraction form
    27,324.96/37,708.57 = 15,388.50/x
  3. Step 3: Cross multiply
    27,324.96x = 37,708.57 × 15,388.50
  4. Step 4: Simplify right side
    27,324.96x = 580,278,329.45
  5. Step 5: Solve for x
    x = 580,278,329.45/27,324.96
  6. Step 6: Final answer
    x = 21,236.20

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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.