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Finding the Fourth Proportional to 8,811.43, 12,165.03 and 5,829.82

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Solution

The fourth proportional to 8,811.43, 12,165.03 and 5,829.82 is: 8,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.43 : 12,165.03 = 5,829.82 : x
  2. Step 2: Convert to fraction form
    8,811.43/12,165.03 = 5,829.82/x
  3. Step 3: Cross multiply
    8,811.43x = 12,165.03 × 5,829.82
  4. Step 4: Simplify right side
    8,811.43x = 70,919,904.78
  5. Step 5: Solve for x
    x = 70,919,904.78/8,811.43
  6. Step 6: Final answer
    x = 8,048.63

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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.