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Finding the Fourth Proportional to 57,174.88, 78,874.96 and 37,038.48

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Solution

The fourth proportional to 57,174.88, 78,874.96 and 37,038.48 is: 51,096.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,174.88 : 78,874.96 = 37,038.48 : x
  2. Step 2: Convert to fraction form
    57,174.88/78,874.96 = 37,038.48/x
  3. Step 3: Cross multiply
    57,174.88x = 78,874.96 × 37,038.48
  4. Step 4: Simplify right side
    57,174.88x = 2,921,408,628.46
  5. Step 5: Solve for x
    x = 2,921,408,628.46/57,174.88
  6. Step 6: Final answer
    x = 51,096.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.