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Finding the Fourth Proportional to 9,173.28, 13,751.70 and 3,328.56

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Solution

The fourth proportional to 9,173.28, 13,751.70 and 3,328.56 is: 4,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.28 : 13,751.70 = 3,328.56 : x
  2. Step 2: Convert to fraction form
    9,173.28/13,751.70 = 3,328.56/x
  3. Step 3: Cross multiply
    9,173.28x = 13,751.70 × 3,328.56
  4. Step 4: Simplify right side
    9,173.28x = 45,773,358.55
  5. Step 5: Solve for x
    x = 45,773,358.55/9,173.28
  6. Step 6: Final answer
    x = 4,989.86

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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.