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Finding the Fourth Proportional to 40,548.68, 60,815.57 and 10,968.89

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Solution

The fourth proportional to 40,548.68, 60,815.57 and 10,968.89 is: 16,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,548.68 : 60,815.57 = 10,968.89 : x
  2. Step 2: Convert to fraction form
    40,548.68/60,815.57 = 10,968.89/x
  3. Step 3: Cross multiply
    40,548.68x = 60,815.57 × 10,968.89
  4. Step 4: Simplify right side
    40,548.68x = 667,079,297.62
  5. Step 5: Solve for x
    x = 667,079,297.62/40,548.68
  6. Step 6: Final answer
    x = 16,451.32

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1.5x scale

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.