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Finding the Fourth Proportional to 43,950.66, 65,927.82 and 12,785.94

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Solution

The fourth proportional to 43,950.66, 65,927.82 and 12,785.94 is: 19,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,950.66 : 65,927.82 = 12,785.94 : x
  2. Step 2: Convert to fraction form
    43,950.66/65,927.82 = 12,785.94/x
  3. Step 3: Cross multiply
    43,950.66x = 65,927.82 × 12,785.94
  4. Step 4: Simplify right side
    43,950.66x = 842,949,150.85
  5. Step 5: Solve for x
    x = 842,949,150.85/43,950.66
  6. Step 6: Final answer
    x = 19,179.44

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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.