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Finding the Fourth Proportional to 63,040.88, 86,992.98 and 34,744.34

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Solution

The fourth proportional to 63,040.88, 86,992.98 and 34,744.34 is: 47,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,040.88 : 86,992.98 = 34,744.34 : x
  2. Step 2: Convert to fraction form
    63,040.88/86,992.98 = 34,744.34/x
  3. Step 3: Cross multiply
    63,040.88x = 86,992.98 × 34,744.34
  4. Step 4: Simplify right side
    63,040.88x = 3,022,513,674.73
  5. Step 5: Solve for x
    x = 3,022,513,674.73/63,040.88
  6. Step 6: Final answer
    x = 47,945.30

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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.