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Finding the Fourth Proportional to 58,559.52, 87,635.16 and 47,906.40

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Solution

The fourth proportional to 58,559.52, 87,635.16 and 47,906.40 is: 71,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.52 : 87,635.16 = 47,906.40 : x
  2. Step 2: Convert to fraction form
    58,559.52/87,635.16 = 47,906.40/x
  3. Step 3: Cross multiply
    58,559.52x = 87,635.16 × 47,906.40
  4. Step 4: Simplify right side
    58,559.52x = 4,198,285,029.02
  5. Step 5: Solve for x
    x = 4,198,285,029.02/58,559.52
  6. Step 6: Final answer
    x = 71,692.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.