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Finding the Fourth Proportional to 22,456.91, 33,685.37 and 6,872.51

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Solution

The fourth proportional to 22,456.91, 33,685.37 and 6,872.51 is: 10,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.91 : 33,685.37 = 6,872.51 : x
  2. Step 2: Convert to fraction form
    22,456.91/33,685.37 = 6,872.51/x
  3. Step 3: Cross multiply
    22,456.91x = 33,685.37 × 6,872.51
  4. Step 4: Simplify right side
    22,456.91x = 231,502,965.71
  5. Step 5: Solve for x
    x = 231,502,965.71/22,456.91
  6. Step 6: Final answer
    x = 10,308.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.