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Finding the Fourth Proportional to 57,541.82, 86,320.89 and 18,101.97

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Solution

The fourth proportional to 57,541.82, 86,320.89 and 18,101.97 is: 27,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,541.82 : 86,320.89 = 18,101.97 : x
  2. Step 2: Convert to fraction form
    57,541.82/86,320.89 = 18,101.97/x
  3. Step 3: Cross multiply
    57,541.82x = 86,320.89 × 18,101.97
  4. Step 4: Simplify right side
    57,541.82x = 1,562,578,161.15
  5. Step 5: Solve for x
    x = 1,562,578,161.15/57,541.82
  6. Step 6: Final answer
    x = 27,155.52

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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.