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Finding the Fourth Proportional to 9,155.27, 13,732.91 and 3,310.52

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Solution

The fourth proportional to 9,155.27, 13,732.91 and 3,310.52 is: 4,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.27 : 13,732.91 = 3,310.52 : x
  2. Step 2: Convert to fraction form
    9,155.27/13,732.91 = 3,310.52/x
  3. Step 3: Cross multiply
    9,155.27x = 13,732.91 × 3,310.52
  4. Step 4: Simplify right side
    9,155.27x = 45,462,988.00
  5. Step 5: Solve for x
    x = 45,462,988.00/9,155.27
  6. Step 6: Final answer
    x = 4,965.78

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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.