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Finding the Fourth Proportional to 8,976.18, 12,393.81 and 5,444.19

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Solution

The fourth proportional to 8,976.18, 12,393.81 and 5,444.19 is: 7,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.18 : 12,393.81 = 5,444.19 : x
  2. Step 2: Convert to fraction form
    8,976.18/12,393.81 = 5,444.19/x
  3. Step 3: Cross multiply
    8,976.18x = 12,393.81 × 5,444.19
  4. Step 4: Simplify right side
    8,976.18x = 67,474,256.46
  5. Step 5: Solve for x
    x = 67,474,256.46/8,976.18
  6. Step 6: Final answer
    x = 7,517.03

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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.