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Finding the Fourth Proportional to 50,990.54, 76,443.68 and 22,507.20

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Solution

The fourth proportional to 50,990.54, 76,443.68 and 22,507.20 is: 33,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.54 : 76,443.68 = 22,507.20 : x
  2. Step 2: Convert to fraction form
    50,990.54/76,443.68 = 22,507.20/x
  3. Step 3: Cross multiply
    50,990.54x = 76,443.68 × 22,507.20
  4. Step 4: Simplify right side
    50,990.54x = 1,720,533,250.76
  5. Step 5: Solve for x
    x = 1,720,533,250.76/50,990.54
  6. Step 6: Final answer
    x = 33,742.21

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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.