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Finding the Fourth Proportional to 8,992.96, 13,481.08 and 4,600.72

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Solution

The fourth proportional to 8,992.96, 13,481.08 and 4,600.72 is: 6,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.96 : 13,481.08 = 4,600.72 : x
  2. Step 2: Convert to fraction form
    8,992.96/13,481.08 = 4,600.72/x
  3. Step 3: Cross multiply
    8,992.96x = 13,481.08 × 4,600.72
  4. Step 4: Simplify right side
    8,992.96x = 62,022,674.38
  5. Step 5: Solve for x
    x = 62,022,674.38/8,992.96
  6. Step 6: Final answer
    x = 6,896.80

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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.