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Finding the Fourth Proportional to 11,472,690.80, 17,209,813.80 and 3,900,227.60

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Solution

The fourth proportional to 11,472,690.80, 17,209,813.80 and 3,900,227.60 is: 5,850,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472,690.80 : 17,209,813.80 = 3,900,227.60 : x
  2. Step 2: Convert to fraction form
    11,472,690.80/17,209,813.80 = 3,900,227.60/x
  3. Step 3: Cross multiply
    11,472,690.80x = 17,209,813.80 × 3,900,227.60
  4. Step 4: Simplify right side
    11,472,690.80x = 67,122,190,773,620.88
  5. Step 5: Solve for x
    x = 67,122,190,773,620.88/11,472,690.80
  6. Step 6: Final answer
    x = 5,850,605.75

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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.