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Finding the Fourth Proportional to 8,021.92, 11,070.66 and 4,484.92

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Solution

The fourth proportional to 8,021.92, 11,070.66 and 4,484.92 is: 6,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.92 : 11,070.66 = 4,484.92 : x
  2. Step 2: Convert to fraction form
    8,021.92/11,070.66 = 4,484.92/x
  3. Step 3: Cross multiply
    8,021.92x = 11,070.66 × 4,484.92
  4. Step 4: Simplify right side
    8,021.92x = 49,651,024.45
  5. Step 5: Solve for x
    x = 49,651,024.45/8,021.92
  6. Step 6: Final answer
    x = 6,189.42

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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.