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Finding the Fourth Proportional to 58,418.73, 87,662.16 and 38,452.86

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Solution

The fourth proportional to 58,418.73, 87,662.16 and 38,452.86 is: 57,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,418.73 : 87,662.16 = 38,452.86 : x
  2. Step 2: Convert to fraction form
    58,418.73/87,662.16 = 38,452.86/x
  3. Step 3: Cross multiply
    58,418.73x = 87,662.16 × 38,452.86
  4. Step 4: Simplify right side
    58,418.73x = 3,370,860,765.78
  5. Step 5: Solve for x
    x = 3,370,860,765.78/58,418.73
  6. Step 6: Final answer
    x = 57,701.71

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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.