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Finding the Fourth Proportional to 17,991.63, 26,969.00 and 6,895.44

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Solution

The fourth proportional to 17,991.63, 26,969.00 and 6,895.44 is: 10,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.63 : 26,969.00 = 6,895.44 : x
  2. Step 2: Convert to fraction form
    17,991.63/26,969.00 = 6,895.44/x
  3. Step 3: Cross multiply
    17,991.63x = 26,969.00 × 6,895.44
  4. Step 4: Simplify right side
    17,991.63x = 185,963,086.88
  5. Step 5: Solve for x
    x = 185,963,086.88/17,991.63
  6. Step 6: Final answer
    x = 10,336.09

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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.