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Finding the Fourth Proportional to 7,253.70, 10,880.55 and 4,791.30

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Solution

The fourth proportional to 7,253.70, 10,880.55 and 4,791.30 is: 7,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.70 : 10,880.55 = 4,791.30 : x
  2. Step 2: Convert to fraction form
    7,253.70/10,880.55 = 4,791.30/x
  3. Step 3: Cross multiply
    7,253.70x = 10,880.55 × 4,791.30
  4. Step 4: Simplify right side
    7,253.70x = 52,131,979.22
  5. Step 5: Solve for x
    x = 52,131,979.22/7,253.70
  6. Step 6: Final answer
    x = 7,186.95

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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.