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Finding the Fourth Proportional to 53,493.66, 73,819.56 and 30,832.74

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Solution

The fourth proportional to 53,493.66, 73,819.56 and 30,832.74 is: 42,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.66 : 73,819.56 = 30,832.74 : x
  2. Step 2: Convert to fraction form
    53,493.66/73,819.56 = 30,832.74/x
  3. Step 3: Cross multiply
    53,493.66x = 73,819.56 × 30,832.74
  4. Step 4: Simplify right side
    53,493.66x = 2,276,059,300.39
  5. Step 5: Solve for x
    x = 2,276,059,300.39/53,493.66
  6. Step 6: Final answer
    x = 42,548.21

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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.