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Finding the Fourth Proportional to 9,236.16, 13,855.20 and 3,080.16

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Solution

The fourth proportional to 9,236.16, 13,855.20 and 3,080.16 is: 4,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.16 : 13,855.20 = 3,080.16 : x
  2. Step 2: Convert to fraction form
    9,236.16/13,855.20 = 3,080.16/x
  3. Step 3: Cross multiply
    9,236.16x = 13,855.20 × 3,080.16
  4. Step 4: Simplify right side
    9,236.16x = 42,676,232.83
  5. Step 5: Solve for x
    x = 42,676,232.83/9,236.16
  6. Step 6: Final answer
    x = 4,620.56

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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.