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Finding the Fourth Proportional to 22,219.92, 30,651.96 and 15,050.04

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Solution

The fourth proportional to 22,219.92, 30,651.96 and 15,050.04 is: 20,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.92 : 30,651.96 = 15,050.04 : x
  2. Step 2: Convert to fraction form
    22,219.92/30,651.96 = 15,050.04/x
  3. Step 3: Cross multiply
    22,219.92x = 30,651.96 × 15,050.04
  4. Step 4: Simplify right side
    22,219.92x = 461,313,224.08
  5. Step 5: Solve for x
    x = 461,313,224.08/22,219.92
  6. Step 6: Final answer
    x = 20,761.25

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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.