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Finding the Fourth Proportional to 60,012.60, 89,846.10 and 53,791.80

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Solution

The fourth proportional to 60,012.60, 89,846.10 and 53,791.80 is: 80,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.60 : 89,846.10 = 53,791.80 : x
  2. Step 2: Convert to fraction form
    60,012.60/89,846.10 = 53,791.80/x
  3. Step 3: Cross multiply
    60,012.60x = 89,846.10 × 53,791.80
  4. Step 4: Simplify right side
    60,012.60x = 4,832,983,441.98
  5. Step 5: Solve for x
    x = 4,832,983,441.98/60,012.60
  6. Step 6: Final answer
    x = 80,532.81

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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.