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Finding the Fourth Proportional to 22,009.71, 30,371.60 and 12,073.71

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Solution

The fourth proportional to 22,009.71, 30,371.60 and 12,073.71 is: 16,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.71 : 30,371.60 = 12,073.71 : x
  2. Step 2: Convert to fraction form
    22,009.71/30,371.60 = 12,073.71/x
  3. Step 3: Cross multiply
    22,009.71x = 30,371.60 × 12,073.71
  4. Step 4: Simplify right side
    22,009.71x = 366,697,830.27
  5. Step 5: Solve for x
    x = 366,697,830.27/22,009.71
  6. Step 6: Final answer
    x = 16,660.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.