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Finding the Fourth Proportional to 37,353.44, 51,550.16 and 20,586.40

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Solution

The fourth proportional to 37,353.44, 51,550.16 and 20,586.40 is: 28,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,353.44 : 51,550.16 = 20,586.40 : x
  2. Step 2: Convert to fraction form
    37,353.44/51,550.16 = 20,586.40/x
  3. Step 3: Cross multiply
    37,353.44x = 51,550.16 × 20,586.40
  4. Step 4: Simplify right side
    37,353.44x = 1,061,232,213.82
  5. Step 5: Solve for x
    x = 1,061,232,213.82/37,353.44
  6. Step 6: Final answer
    x = 28,410.56

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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.