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Finding the Fourth Proportional to 18,561,664.20, 27,842,496.30 and 17,301,952.20

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Solution

The fourth proportional to 18,561,664.20, 27,842,496.30 and 17,301,952.20 is: 25,952,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,664.20 : 27,842,496.30 = 17,301,952.20 : x
  2. Step 2: Convert to fraction form
    18,561,664.20/27,842,496.30 = 17,301,952.20/x
  3. Step 3: Cross multiply
    18,561,664.20x = 27,842,496.30 × 17,301,952.20
  4. Step 4: Simplify right side
    18,561,664.20x = 481,729,540,111,276.88
  5. Step 5: Solve for x
    x = 481,729,540,111,276.88/18,561,664.20
  6. Step 6: Final answer
    x = 25,952,928.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.