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Finding the Fourth Proportional to 57,974.70, 86,830.02 and 34,552.74

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Solution

The fourth proportional to 57,974.70, 86,830.02 and 34,552.74 is: 51,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.70 : 86,830.02 = 34,552.74 : x
  2. Step 2: Convert to fraction form
    57,974.70/86,830.02 = 34,552.74/x
  3. Step 3: Cross multiply
    57,974.70x = 86,830.02 × 34,552.74
  4. Step 4: Simplify right side
    57,974.70x = 3,000,215,105.25
  5. Step 5: Solve for x
    x = 3,000,215,105.25/57,974.70
  6. Step 6: Final answer
    x = 51,750.42

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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.