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Finding the Fourth Proportional to 11,866,469.70, 17,799,704.55 and 3,346,695.30

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Solution

The fourth proportional to 11,866,469.70, 17,799,704.55 and 3,346,695.30 is: 5,020,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866,469.70 : 17,799,704.55 = 3,346,695.30 : x
  2. Step 2: Convert to fraction form
    11,866,469.70/17,799,704.55 = 3,346,695.30/x
  3. Step 3: Cross multiply
    11,866,469.70x = 17,799,704.55 × 3,346,695.30
  4. Step 4: Simplify right side
    11,866,469.70x = 59,570,187,558,873.62
  5. Step 5: Solve for x
    x = 59,570,187,558,873.62/11,866,469.70
  6. Step 6: Final answer
    x = 5,020,042.95

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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.