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Finding the Fourth Proportional to 8,834.57, 13,253.79 and 4,891.56

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Solution

The fourth proportional to 8,834.57, 13,253.79 and 4,891.56 is: 7,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.57 : 13,253.79 = 4,891.56 : x
  2. Step 2: Convert to fraction form
    8,834.57/13,253.79 = 4,891.56/x
  3. Step 3: Cross multiply
    8,834.57x = 13,253.79 × 4,891.56
  4. Step 4: Simplify right side
    8,834.57x = 64,831,709.01
  5. Step 5: Solve for x
    x = 64,831,709.01/8,834.57
  6. Step 6: Final answer
    x = 7,338.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.