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Finding the Fourth Proportional to 17,959.22, 26,942.20 and 5,480.36

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Solution

The fourth proportional to 17,959.22, 26,942.20 and 5,480.36 is: 8,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.22 : 26,942.20 = 5,480.36 : x
  2. Step 2: Convert to fraction form
    17,959.22/26,942.20 = 5,480.36/x
  3. Step 3: Cross multiply
    17,959.22x = 26,942.20 × 5,480.36
  4. Step 4: Simplify right side
    17,959.22x = 147,652,955.19
  5. Step 5: Solve for x
    x = 147,652,955.19/17,959.22
  6. Step 6: Final answer
    x = 8,221.57

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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.