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Finding the Fourth Proportional to 18,589,622.60, 27,821,448.30 and 18,589,622.60

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Solution

The fourth proportional to 18,589,622.60, 27,821,448.30 and 18,589,622.60 is: 27,821,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,622.60 : 27,821,448.30 = 18,589,622.60 : x
  2. Step 2: Convert to fraction form
    18,589,622.60/27,821,448.30 = 18,589,622.60/x
  3. Step 3: Cross multiply
    18,589,622.60x = 27,821,448.30 × 18,589,622.60
  4. Step 4: Simplify right side
    18,589,622.60x = 517,190,224,082,411.62
  5. Step 5: Solve for x
    x = 517,190,224,082,411.62/18,589,622.60
  6. Step 6: Final answer
    x = 27,821,448.30

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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.