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Finding the Fourth Proportional to 43,761.97, 65,652.72 and 12,594.79

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Solution

The fourth proportional to 43,761.97, 65,652.72 and 12,594.79 is: 18,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,761.97 : 65,652.72 = 12,594.79 : x
  2. Step 2: Convert to fraction form
    43,761.97/65,652.72 = 12,594.79/x
  3. Step 3: Cross multiply
    43,761.97x = 65,652.72 × 12,594.79
  4. Step 4: Simplify right side
    43,761.97x = 826,882,221.33
  5. Step 5: Solve for x
    x = 826,882,221.33/43,761.97
  6. Step 6: Final answer
    x = 18,895.00

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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.