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Finding the Fourth Proportional to 7,992.62, 11,029.59 and 4,635.22

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Solution

The fourth proportional to 7,992.62, 11,029.59 and 4,635.22 is: 6,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.62 : 11,029.59 = 4,635.22 : x
  2. Step 2: Convert to fraction form
    7,992.62/11,029.59 = 4,635.22/x
  3. Step 3: Cross multiply
    7,992.62x = 11,029.59 × 4,635.22
  4. Step 4: Simplify right side
    7,992.62x = 51,124,560.17
  5. Step 5: Solve for x
    x = 51,124,560.17/7,992.62
  6. Step 6: Final answer
    x = 6,396.47

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