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Finding the Fourth Proportional to 57,751.97, 86,631.01 and 16,202.21

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Solution

The fourth proportional to 57,751.97, 86,631.01 and 16,202.21 is: 24,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,751.97 : 86,631.01 = 16,202.21 : x
  2. Step 2: Convert to fraction form
    57,751.97/86,631.01 = 16,202.21/x
  3. Step 3: Cross multiply
    57,751.97x = 86,631.01 × 16,202.21
  4. Step 4: Simplify right side
    57,751.97x = 1,403,613,342.87
  5. Step 5: Solve for x
    x = 1,403,613,342.87/57,751.97
  6. Step 6: Final answer
    x = 24,304.17

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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.