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Finding the Fourth Proportional to 57,327.93, 86,025.73 and 21,819.14

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Solution

The fourth proportional to 57,327.93, 86,025.73 and 21,819.14 is: 32,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.93 : 86,025.73 = 21,819.14 : x
  2. Step 2: Convert to fraction form
    57,327.93/86,025.73 = 21,819.14/x
  3. Step 3: Cross multiply
    57,327.93x = 86,025.73 × 21,819.14
  4. Step 4: Simplify right side
    57,327.93x = 1,877,007,446.47
  5. Step 5: Solve for x
    x = 1,877,007,446.47/57,327.93
  6. Step 6: Final answer
    x = 32,741.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.