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Finding the Fourth Proportional to 18,441,659.70, 27,662,489.55 and 17,181,947.70

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Solution

The fourth proportional to 18,441,659.70, 27,662,489.55 and 17,181,947.70 is: 25,772,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,659.70 : 27,662,489.55 = 17,181,947.70 : x
  2. Step 2: Convert to fraction form
    18,441,659.70/27,662,489.55 = 17,181,947.70/x
  3. Step 3: Cross multiply
    18,441,659.70x = 27,662,489.55 × 17,181,947.70
  4. Step 4: Simplify right side
    18,441,659.70x = 475,295,448,699,896.50
  5. Step 5: Solve for x
    x = 475,295,448,699,896.50/18,441,659.70
  6. Step 6: Final answer
    x = 25,772,921.55

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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.