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Finding the Fourth Proportional to 22,200,755.54, 33,285,978.68 and 11,827,525.55

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Solution

The fourth proportional to 22,200,755.54, 33,285,978.68 and 11,827,525.55 is: 17,733,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200,755.54 : 33,285,978.68 = 11,827,525.55 : x
  2. Step 2: Convert to fraction form
    22,200,755.54/33,285,978.68 = 11,827,525.55/x
  3. Step 3: Cross multiply
    22,200,755.54x = 33,285,978.68 × 11,827,525.55
  4. Step 4: Simplify right side
    22,200,755.54x = 393,690,763,068,887.75
  5. Step 5: Solve for x
    x = 393,690,763,068,887.75/22,200,755.54
  6. Step 6: Final answer
    x = 17,733,214.64

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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.