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Finding the Fourth Proportional to 2,912.93, 4,370.07 and 832.96

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Solution

The fourth proportional to 2,912.93, 4,370.07 and 832.96 is: 1,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.93 : 4,370.07 = 832.96 : x
  2. Step 2: Convert to fraction form
    2,912.93/4,370.07 = 832.96/x
  3. Step 3: Cross multiply
    2,912.93x = 4,370.07 × 832.96
  4. Step 4: Simplify right side
    2,912.93x = 3,640,082.58
  5. Step 5: Solve for x
    x = 3,640,082.58/2,912.93
  6. Step 6: Final answer
    x = 1,249.63

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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.