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Finding the Fourth Proportional to 8,891.54, 13,336.15 and 2,318.23

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Solution

The fourth proportional to 8,891.54, 13,336.15 and 2,318.23 is: 3,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.54 : 13,336.15 = 2,318.23 : x
  2. Step 2: Convert to fraction form
    8,891.54/13,336.15 = 2,318.23/x
  3. Step 3: Cross multiply
    8,891.54x = 13,336.15 × 2,318.23
  4. Step 4: Simplify right side
    8,891.54x = 30,916,263.01
  5. Step 5: Solve for x
    x = 30,916,263.01/8,891.54
  6. Step 6: Final answer
    x = 3,477.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.