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Finding the Fourth Proportional to 63,087.82, 87,058.26 and 36,211.42

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Solution

The fourth proportional to 63,087.82, 87,058.26 and 36,211.42 is: 49,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,087.82 : 87,058.26 = 36,211.42 : x
  2. Step 2: Convert to fraction form
    63,087.82/87,058.26 = 36,211.42/x
  3. Step 3: Cross multiply
    63,087.82x = 87,058.26 × 36,211.42
  4. Step 4: Simplify right side
    63,087.82x = 3,152,503,217.33
  5. Step 5: Solve for x
    x = 3,152,503,217.33/63,087.82
  6. Step 6: Final answer
    x = 49,970.08

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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.