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Finding the Fourth Proportional to 58,366.60, 87,449.10 and 27,137.80

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Solution

The fourth proportional to 58,366.60, 87,449.10 and 27,137.80 is: 40,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,366.60 : 87,449.10 = 27,137.80 : x
  2. Step 2: Convert to fraction form
    58,366.60/87,449.10 = 27,137.80/x
  3. Step 3: Cross multiply
    58,366.60x = 87,449.10 × 27,137.80
  4. Step 4: Simplify right side
    58,366.60x = 2,373,176,185.98
  5. Step 5: Solve for x
    x = 2,373,176,185.98/58,366.60
  6. Step 6: Final answer
    x = 40,659.83

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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.