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Finding the Fourth Proportional to 18,435,896.20, 27,653,844.30 and 18,435,896.20

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Solution

The fourth proportional to 18,435,896.20, 27,653,844.30 and 18,435,896.20 is: 27,653,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,896.20 : 27,653,844.30 = 18,435,896.20 : x
  2. Step 2: Convert to fraction form
    18,435,896.20/27,653,844.30 = 18,435,896.20/x
  3. Step 3: Cross multiply
    18,435,896.20x = 27,653,844.30 × 18,435,896.20
  4. Step 4: Simplify right side
    18,435,896.20x = 509,823,403,045,761.62
  5. Step 5: Solve for x
    x = 509,823,403,045,761.62/18,435,896.20
  6. Step 6: Final answer
    x = 27,653,844.30

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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.