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Finding the Fourth Proportional to 17,955.69, 26,923.28 and 5,472.02

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Solution

The fourth proportional to 17,955.69, 26,923.28 and 5,472.02 is: 8,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.69 : 26,923.28 = 5,472.02 : x
  2. Step 2: Convert to fraction form
    17,955.69/26,923.28 = 5,472.02/x
  3. Step 3: Cross multiply
    17,955.69x = 26,923.28 × 5,472.02
  4. Step 4: Simplify right side
    17,955.69x = 147,324,564.65
  5. Step 5: Solve for x
    x = 147,324,564.65/17,955.69
  6. Step 6: Final answer
    x = 8,204.90

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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.