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Finding the Fourth Proportional to 43,883.54, 65,815.14 and 12,295.82

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Solution

The fourth proportional to 43,883.54, 65,815.14 and 12,295.82 is: 18,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,883.54 : 65,815.14 = 12,295.82 : x
  2. Step 2: Convert to fraction form
    43,883.54/65,815.14 = 12,295.82/x
  3. Step 3: Cross multiply
    43,883.54x = 65,815.14 × 12,295.82
  4. Step 4: Simplify right side
    43,883.54x = 809,251,114.71
  5. Step 5: Solve for x
    x = 809,251,114.71/43,883.54
  6. Step 6: Final answer
    x = 18,440.88

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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.