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Finding the Fourth Proportional to 8,203,845.60, 12,305,768.40 and 2,523,331.80

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Solution

The fourth proportional to 8,203,845.60, 12,305,768.40 and 2,523,331.80 is: 3,784,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203,845.60 : 12,305,768.40 = 2,523,331.80 : x
  2. Step 2: Convert to fraction form
    8,203,845.60/12,305,768.40 = 2,523,331.80/x
  3. Step 3: Cross multiply
    8,203,845.60x = 12,305,768.40 × 2,523,331.80
  4. Step 4: Simplify right side
    8,203,845.60x = 31,051,536,727,155.12
  5. Step 5: Solve for x
    x = 31,051,536,727,155.12/8,203,845.60
  6. Step 6: Final answer
    x = 3,784,997.70

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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.