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Finding the Fourth Proportional to 7,174.17, 10,753.36 and 3,012.80

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Solution

The fourth proportional to 7,174.17, 10,753.36 and 3,012.80 is: 4,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.17 : 10,753.36 = 3,012.80 : x
  2. Step 2: Convert to fraction form
    7,174.17/10,753.36 = 3,012.80/x
  3. Step 3: Cross multiply
    7,174.17x = 10,753.36 × 3,012.80
  4. Step 4: Simplify right side
    7,174.17x = 32,397,661.71
  5. Step 5: Solve for x
    x = 32,397,661.71/7,174.17
  6. Step 6: Final answer
    x = 4,515.88

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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.