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Finding the Fourth Proportional to 17,959.58, 26,942.20 and 5,476.74

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Solution

The fourth proportional to 17,959.58, 26,942.20 and 5,476.74 is: 8,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.58 : 26,942.20 = 5,476.74 : x
  2. Step 2: Convert to fraction form
    17,959.58/26,942.20 = 5,476.74/x
  3. Step 3: Cross multiply
    17,959.58x = 26,942.20 × 5,476.74
  4. Step 4: Simplify right side
    17,959.58x = 147,555,410.74
  5. Step 5: Solve for x
    x = 147,555,410.74/17,959.58
  6. Step 6: Final answer
    x = 8,215.97

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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.