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Finding the Fourth Proportional to 11,328.00, 16,992.17 and 3,932.70

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Solution

The fourth proportional to 11,328.00, 16,992.17 and 3,932.70 is: 5,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.00 : 16,992.17 = 3,932.70 : x
  2. Step 2: Convert to fraction form
    11,328.00/16,992.17 = 3,932.70/x
  3. Step 3: Cross multiply
    11,328.00x = 16,992.17 × 3,932.70
  4. Step 4: Simplify right side
    11,328.00x = 66,825,033.21
  5. Step 5: Solve for x
    x = 66,825,033.21/11,328.00
  6. Step 6: Final answer
    x = 5,899.10

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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.