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Finding the Fourth Proportional to 9,113.65, 13,662.27 and 3,268.89

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Solution

The fourth proportional to 9,113.65, 13,662.27 and 3,268.89 is: 4,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.65 : 13,662.27 = 3,268.89 : x
  2. Step 2: Convert to fraction form
    9,113.65/13,662.27 = 3,268.89/x
  3. Step 3: Cross multiply
    9,113.65x = 13,662.27 × 3,268.89
  4. Step 4: Simplify right side
    9,113.65x = 44,660,457.78
  5. Step 5: Solve for x
    x = 44,660,457.78/9,113.65
  6. Step 6: Final answer
    x = 4,900.39

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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.