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Finding the Fourth Proportional to 57,027.53, 85,541.43 and 15,474.53

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Solution

The fourth proportional to 57,027.53, 85,541.43 and 15,474.53 is: 23,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.53 : 85,541.43 = 15,474.53 : x
  2. Step 2: Convert to fraction form
    57,027.53/85,541.43 = 15,474.53/x
  3. Step 3: Cross multiply
    57,027.53x = 85,541.43 × 15,474.53
  4. Step 4: Simplify right side
    57,027.53x = 1,323,712,997.07
  5. Step 5: Solve for x
    x = 1,323,712,997.07/57,027.53
  6. Step 6: Final answer
    x = 23,211.83

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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.