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Finding the Fourth Proportional to 40,662.79, 60,988.02 and 11,082.99

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Solution

The fourth proportional to 40,662.79, 60,988.02 and 11,082.99 is: 16,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,662.79 : 60,988.02 = 11,082.99 : x
  2. Step 2: Convert to fraction form
    40,662.79/60,988.02 = 11,082.99/x
  3. Step 3: Cross multiply
    40,662.79x = 60,988.02 × 11,082.99
  4. Step 4: Simplify right side
    40,662.79x = 675,929,615.78
  5. Step 5: Solve for x
    x = 675,929,615.78/40,662.79
  6. Step 6: Final answer
    x = 16,622.80

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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.