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Finding the Fourth Proportional to 62,031.56, 85,625.82 and 36,881

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Solution

The fourth proportional to 62,031.56, 85,625.82 and 36,881 is: 50,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,031.56 : 85,625.82 = 36,881 : x
  2. Step 2: Convert to fraction form
    62,031.56/85,625.82 = 36,881/x
  3. Step 3: Cross multiply
    62,031.56x = 85,625.82 × 36,881
  4. Step 4: Simplify right side
    62,031.56x = 3,157,965,867.42
  5. Step 5: Solve for x
    x = 3,157,965,867.42/62,031.56
  6. Step 6: Final answer
    x = 50,909.02

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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.