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Finding the Fourth Proportional to 9,286.56, 13,928.56 and 3,442.36

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Solution

The fourth proportional to 9,286.56, 13,928.56 and 3,442.36 is: 5,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.56 : 13,928.56 = 3,442.36 : x
  2. Step 2: Convert to fraction form
    9,286.56/13,928.56 = 3,442.36/x
  3. Step 3: Cross multiply
    9,286.56x = 13,928.56 × 3,442.36
  4. Step 4: Simplify right side
    9,286.56x = 47,947,117.80
  5. Step 5: Solve for x
    x = 47,947,117.80/9,286.56
  6. Step 6: Final answer
    x = 5,163.07

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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.