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Finding the Fourth Proportional to 57,672,029.60, 80,589,676 and 57,672,029.60

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Solution

The fourth proportional to 57,672,029.60, 80,589,676 and 57,672,029.60 is: 80,589,676

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,029.60 : 80,589,676 = 57,672,029.60 : x
  2. Step 2: Convert to fraction form
    57,672,029.60/80,589,676 = 57,672,029.60/x
  3. Step 3: Cross multiply
    57,672,029.60x = 80,589,676 × 57,672,029.60
  4. Step 4: Simplify right side
    57,672,029.60x = 4,647,770,179,726,410
  5. Step 5: Solve for x
    x = 4,647,770,179,726,410/57,672,029.60
  6. Step 6: Final answer
    x = 80,589,676

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.