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Finding the Fourth Proportional to 34,251.80, 51,383.10 and 10,880.60

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Solution

The fourth proportional to 34,251.80, 51,383.10 and 10,880.60 is: 16,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.80 : 51,383.10 = 10,880.60 : x
  2. Step 2: Convert to fraction form
    34,251.80/51,383.10 = 10,880.60/x
  3. Step 3: Cross multiply
    34,251.80x = 51,383.10 × 10,880.60
  4. Step 4: Simplify right side
    34,251.80x = 559,078,957.86
  5. Step 5: Solve for x
    x = 559,078,957.86/34,251.80
  6. Step 6: Final answer
    x = 16,322.62

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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.