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Finding the Fourth Proportional to 5,334.60, 7,992.20 and 3,932.52

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Solution

The fourth proportional to 5,334.60, 7,992.20 and 3,932.52 is: 5,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.60 : 7,992.20 = 3,932.52 : x
  2. Step 2: Convert to fraction form
    5,334.60/7,992.20 = 3,932.52/x
  3. Step 3: Cross multiply
    5,334.60x = 7,992.20 × 3,932.52
  4. Step 4: Simplify right side
    5,334.60x = 31,429,486.34
  5. Step 5: Solve for x
    x = 31,429,486.34/5,334.60
  6. Step 6: Final answer
    x = 5,891.63

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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.