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Finding the Fourth Proportional to 17,959.80, 26,936.02 and 11,293.24

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Solution

The fourth proportional to 17,959.80, 26,936.02 and 11,293.24 is: 16,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.80 : 26,936.02 = 11,293.24 : x
  2. Step 2: Convert to fraction form
    17,959.80/26,936.02 = 11,293.24/x
  3. Step 3: Cross multiply
    17,959.80x = 26,936.02 × 11,293.24
  4. Step 4: Simplify right side
    17,959.80x = 304,194,938.50
  5. Step 5: Solve for x
    x = 304,194,938.50/17,959.80
  6. Step 6: Final answer
    x = 16,937.55

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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.