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Finding the Fourth Proportional to 17,866,299.06, 26,787,687.96 and 11,782,480.59

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Solution

The fourth proportional to 17,866,299.06, 26,787,687.96 and 11,782,480.59 is: 17,665,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866,299.06 : 26,787,687.96 = 11,782,480.59 : x
  2. Step 2: Convert to fraction form
    17,866,299.06/26,787,687.96 = 11,782,480.59/x
  3. Step 3: Cross multiply
    17,866,299.06x = 26,787,687.96 × 11,782,480.59
  4. Step 4: Simplify right side
    17,866,299.06x = 315,625,413,439,676.69
  5. Step 5: Solve for x
    x = 315,625,413,439,676.69/17,866,299.06
  6. Step 6: Final answer
    x = 17,665,964.98

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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.