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Finding the Fourth Proportional to 58,363.12, 80,548.77 and 32,874.49

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Solution

The fourth proportional to 58,363.12, 80,548.77 and 32,874.49 is: 45,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,363.12 : 80,548.77 = 32,874.49 : x
  2. Step 2: Convert to fraction form
    58,363.12/80,548.77 = 32,874.49/x
  3. Step 3: Cross multiply
    58,363.12x = 80,548.77 × 32,874.49
  4. Step 4: Simplify right side
    58,363.12x = 2,647,999,733.88
  5. Step 5: Solve for x
    x = 2,647,999,733.88/58,363.12
  6. Step 6: Final answer
    x = 45,371.11

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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.