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Finding the Fourth Proportional to 63,027.80, 86,977.24 and 34,347.71

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Solution

The fourth proportional to 63,027.80, 86,977.24 and 34,347.71 is: 47,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,027.80 : 86,977.24 = 34,347.71 : x
  2. Step 2: Convert to fraction form
    63,027.80/86,977.24 = 34,347.71/x
  3. Step 3: Cross multiply
    63,027.80x = 86,977.24 × 34,347.71
  4. Step 4: Simplify right side
    63,027.80x = 2,987,469,016.12
  5. Step 5: Solve for x
    x = 2,987,469,016.12/63,027.80
  6. Step 6: Final answer
    x = 47,399.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.