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Finding the Fourth Proportional to 27,324.78, 37,707.84 and 15,388.26

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Solution

The fourth proportional to 27,324.78, 37,707.84 and 15,388.26 is: 21,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.78 : 37,707.84 = 15,388.26 : x
  2. Step 2: Convert to fraction form
    27,324.78/37,707.84 = 15,388.26/x
  3. Step 3: Cross multiply
    27,324.78x = 37,707.84 × 15,388.26
  4. Step 4: Simplify right side
    27,324.78x = 580,258,045.96
  5. Step 5: Solve for x
    x = 580,258,045.96/27,324.78
  6. Step 6: Final answer
    x = 21,235.60

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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.