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Finding the Fourth Proportional to 57,504.06, 86,243.13 and 15,954.30

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Solution

The fourth proportional to 57,504.06, 86,243.13 and 15,954.30 is: 23,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,504.06 : 86,243.13 = 15,954.30 : x
  2. Step 2: Convert to fraction form
    57,504.06/86,243.13 = 15,954.30/x
  3. Step 3: Cross multiply
    57,504.06x = 86,243.13 × 15,954.30
  4. Step 4: Simplify right side
    57,504.06x = 1,375,948,768.96
  5. Step 5: Solve for x
    x = 1,375,948,768.96/57,504.06
  6. Step 6: Final answer
    x = 23,927.85

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Why These Related Problems?

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