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Finding the Fourth Proportional to 10,016.46, 13,818.06 and 6,480.81

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Solution

The fourth proportional to 10,016.46, 13,818.06 and 6,480.81 is: 8,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.46 : 13,818.06 = 6,480.81 : x
  2. Step 2: Convert to fraction form
    10,016.46/13,818.06 = 6,480.81/x
  3. Step 3: Cross multiply
    10,016.46x = 13,818.06 × 6,480.81
  4. Step 4: Simplify right side
    10,016.46x = 89,552,221.43
  5. Step 5: Solve for x
    x = 89,552,221.43/10,016.46
  6. Step 6: Final answer
    x = 8,940.51

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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.