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Finding the Fourth Proportional to 8,935.14, 13,384.84 and 5,375.30

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Solution

The fourth proportional to 8,935.14, 13,384.84 and 5,375.30 is: 8,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.14 : 13,384.84 = 5,375.30 : x
  2. Step 2: Convert to fraction form
    8,935.14/13,384.84 = 5,375.30/x
  3. Step 3: Cross multiply
    8,935.14x = 13,384.84 × 5,375.30
  4. Step 4: Simplify right side
    8,935.14x = 71,947,450.09
  5. Step 5: Solve for x
    x = 71,947,450.09/8,935.14
  6. Step 6: Final answer
    x = 8,052.19

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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.