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Finding the Fourth Proportional to 22,274,656.80, 33,362,218.80 and 18,293,344.80

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Solution

The fourth proportional to 22,274,656.80, 33,362,218.80 and 18,293,344.80 is: 27,399,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274,656.80 : 33,362,218.80 = 18,293,344.80 : x
  2. Step 2: Convert to fraction form
    22,274,656.80/33,362,218.80 = 18,293,344.80/x
  3. Step 3: Cross multiply
    22,274,656.80x = 33,362,218.80 × 18,293,344.80
  4. Step 4: Simplify right side
    22,274,656.80x = 610,306,571,801,442.25
  5. Step 5: Solve for x
    x = 610,306,571,801,442.25/22,274,656.80
  6. Step 6: Final answer
    x = 27,399,145.91

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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.