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Finding the Fourth Proportional to 11,296.63, 16,940.76 and 3,899.08

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Solution

The fourth proportional to 11,296.63, 16,940.76 and 3,899.08 is: 5,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.63 : 16,940.76 = 3,899.08 : x
  2. Step 2: Convert to fraction form
    11,296.63/16,940.76 = 3,899.08/x
  3. Step 3: Cross multiply
    11,296.63x = 16,940.76 × 3,899.08
  4. Step 4: Simplify right side
    11,296.63x = 66,053,378.50
  5. Step 5: Solve for x
    x = 66,053,378.50/11,296.63
  6. Step 6: Final answer
    x = 5,847.18

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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.