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Finding the Fourth Proportional to 11,598,968.80, 17,398,453.20 and 9,751,391.20

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Solution

The fourth proportional to 11,598,968.80, 17,398,453.20 and 9,751,391.20 is: 14,627,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,598,968.80 : 17,398,453.20 = 9,751,391.20 : x
  2. Step 2: Convert to fraction form
    11,598,968.80/17,398,453.20 = 9,751,391.20/x
  3. Step 3: Cross multiply
    11,598,968.80x = 17,398,453.20 × 9,751,391.20
  4. Step 4: Simplify right side
    11,598,968.80x = 169,659,123,428,091.81
  5. Step 5: Solve for x
    x = 169,659,123,428,091.81/11,598,968.80
  6. Step 6: Final answer
    x = 14,627,086.80

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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.