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Finding the Fourth Proportional to 7,151.27, 10,729.94 and 3,860.53

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Solution

The fourth proportional to 7,151.27, 10,729.94 and 3,860.53 is: 5,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.27 : 10,729.94 = 3,860.53 : x
  2. Step 2: Convert to fraction form
    7,151.27/10,729.94 = 3,860.53/x
  3. Step 3: Cross multiply
    7,151.27x = 10,729.94 × 3,860.53
  4. Step 4: Simplify right side
    7,151.27x = 41,423,209.14
  5. Step 5: Solve for x
    x = 41,423,209.14/7,151.27
  6. Step 6: Final answer
    x = 5,792.43

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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.