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Finding the Fourth Proportional to 57,766.77, 86,611.28 and 29,651.67

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Solution

The fourth proportional to 57,766.77, 86,611.28 and 29,651.67 is: 44,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.77 : 86,611.28 = 29,651.67 : x
  2. Step 2: Convert to fraction form
    57,766.77/86,611.28 = 29,651.67/x
  3. Step 3: Cross multiply
    57,766.77x = 86,611.28 × 29,651.67
  4. Step 4: Simplify right side
    57,766.77x = 2,568,168,944.58
  5. Step 5: Solve for x
    x = 2,568,168,944.58/57,766.77
  6. Step 6: Final answer
    x = 44,457.55

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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.