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Finding the Fourth Proportional to 1,996.23, 2,993.23 and 955.38

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Solution

The fourth proportional to 1,996.23, 2,993.23 and 955.38 is: 1,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.23 : 2,993.23 = 955.38 : x
  2. Step 2: Convert to fraction form
    1,996.23/2,993.23 = 955.38/x
  3. Step 3: Cross multiply
    1,996.23x = 2,993.23 × 955.38
  4. Step 4: Simplify right side
    1,996.23x = 2,859,672.08
  5. Step 5: Solve for x
    x = 2,859,672.08/1,996.23
  6. Step 6: Final answer
    x = 1,432.54

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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.