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Finding the Fourth Proportional to 22,159, 33,239.96 and 8,308.36

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Solution

The fourth proportional to 22,159, 33,239.96 and 8,308.36 is: 12,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159 : 33,239.96 = 8,308.36 : x
  2. Step 2: Convert to fraction form
    22,159/33,239.96 = 8,308.36/x
  3. Step 3: Cross multiply
    22,159x = 33,239.96 × 8,308.36
  4. Step 4: Simplify right side
    22,159x = 276,169,554.07
  5. Step 5: Solve for x
    x = 276,169,554.07/22,159
  6. Step 6: Final answer
    x = 12,463.09

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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.