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Finding the Fourth Proportional to 8,955.68, 13,424.50 and 3,694.52

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Solution

The fourth proportional to 8,955.68, 13,424.50 and 3,694.52 is: 5,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.68 : 13,424.50 = 3,694.52 : x
  2. Step 2: Convert to fraction form
    8,955.68/13,424.50 = 3,694.52/x
  3. Step 3: Cross multiply
    8,955.68x = 13,424.50 × 3,694.52
  4. Step 4: Simplify right side
    8,955.68x = 49,597,121.92
  5. Step 5: Solve for x
    x = 49,597,121.92/8,955.68
  6. Step 6: Final answer
    x = 5,538.07

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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.