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Finding the Fourth Proportional to 22,293.27, 33,437.17 and 12,938.38

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Solution

The fourth proportional to 22,293.27, 33,437.17 and 12,938.38 is: 19,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.27 : 33,437.17 = 12,938.38 : x
  2. Step 2: Convert to fraction form
    22,293.27/33,437.17 = 12,938.38/x
  3. Step 3: Cross multiply
    22,293.27x = 33,437.17 × 12,938.38
  4. Step 4: Simplify right side
    22,293.27x = 432,622,579.71
  5. Step 5: Solve for x
    x = 432,622,579.71/22,293.27
  6. Step 6: Final answer
    x = 19,405.97

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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.