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Finding the Fourth Proportional to 19,231.52, 28,850.79 and 8,843

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Solution

The fourth proportional to 19,231.52, 28,850.79 and 8,843 is: 13,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.52 : 28,850.79 = 8,843 : x
  2. Step 2: Convert to fraction form
    19,231.52/28,850.79 = 8,843/x
  3. Step 3: Cross multiply
    19,231.52x = 28,850.79 × 8,843
  4. Step 4: Simplify right side
    19,231.52x = 255,127,535.97
  5. Step 5: Solve for x
    x = 255,127,535.97/19,231.52
  6. Step 6: Final answer
    x = 13,266.11

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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.