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Finding the Fourth Proportional to 11,842,804.80, 17,722,216.80 and 8,063,668.80

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Solution

The fourth proportional to 11,842,804.80, 17,722,216.80 and 8,063,668.80 is: 12,066,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842,804.80 : 17,722,216.80 = 8,063,668.80 : x
  2. Step 2: Convert to fraction form
    11,842,804.80/17,722,216.80 = 8,063,668.80/x
  3. Step 3: Cross multiply
    11,842,804.80x = 17,722,216.80 × 8,063,668.80
  4. Step 4: Simplify right side
    11,842,804.80x = 142,906,086,676,995.84
  5. Step 5: Solve for x
    x = 142,906,086,676,995.84/11,842,804.80
  6. Step 6: Final answer
    x = 12,066,912.28

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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.