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Finding the Fourth Proportional to 40,451, 60,676.48 and 40,392.60

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Solution

The fourth proportional to 40,451, 60,676.48 and 40,392.60 is: 60,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451 : 60,676.48 = 40,392.60 : x
  2. Step 2: Convert to fraction form
    40,451/60,676.48 = 40,392.60/x
  3. Step 3: Cross multiply
    40,451x = 60,676.48 × 40,392.60
  4. Step 4: Simplify right side
    40,451x = 2,450,880,786.05
  5. Step 5: Solve for x
    x = 2,450,880,786.05/40,451
  6. Step 6: Final answer
    x = 60,588.88

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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.