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Finding the Fourth Proportional to 57,591.73, 79,404.87 and 48,045.48

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Solution

The fourth proportional to 57,591.73, 79,404.87 and 48,045.48 is: 66,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,591.73 : 79,404.87 = 48,045.48 : x
  2. Step 2: Convert to fraction form
    57,591.73/79,404.87 = 48,045.48/x
  3. Step 3: Cross multiply
    57,591.73x = 79,404.87 × 48,045.48
  4. Step 4: Simplify right side
    57,591.73x = 3,815,045,093.49
  5. Step 5: Solve for x
    x = 3,815,045,093.49/57,591.73
  6. Step 6: Final answer
    x = 66,242.93

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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.