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Finding the Fourth Proportional to 10,857.54, 16,284.48 and 4,932.60

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Solution

The fourth proportional to 10,857.54, 16,284.48 and 4,932.60 is: 7,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.54 : 16,284.48 = 4,932.60 : x
  2. Step 2: Convert to fraction form
    10,857.54/16,284.48 = 4,932.60/x
  3. Step 3: Cross multiply
    10,857.54x = 16,284.48 × 4,932.60
  4. Step 4: Simplify right side
    10,857.54x = 80,324,826.05
  5. Step 5: Solve for x
    x = 80,324,826.05/10,857.54
  6. Step 6: Final answer
    x = 7,398.07

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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.