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Finding the Fourth Proportional to 40,511.87, 60,773.87 and 14,211.98

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Solution

The fourth proportional to 40,511.87, 60,773.87 and 14,211.98 is: 21,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.87 : 60,773.87 = 14,211.98 : x
  2. Step 2: Convert to fraction form
    40,511.87/60,773.87 = 14,211.98/x
  3. Step 3: Cross multiply
    40,511.87x = 60,773.87 × 14,211.98
  4. Step 4: Simplify right side
    40,511.87x = 863,716,650.03
  5. Step 5: Solve for x
    x = 863,716,650.03/40,511.87
  6. Step 6: Final answer
    x = 21,320.09

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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.