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Finding the Fourth Proportional to 2,650.73, 3,976.53 and 895.57

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Solution

The fourth proportional to 2,650.73, 3,976.53 and 895.57 is: 1,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.73 : 3,976.53 = 895.57 : x
  2. Step 2: Convert to fraction form
    2,650.73/3,976.53 = 895.57/x
  3. Step 3: Cross multiply
    2,650.73x = 3,976.53 × 895.57
  4. Step 4: Simplify right side
    2,650.73x = 3,561,260.97
  5. Step 5: Solve for x
    x = 3,561,260.97/2,650.73
  6. Step 6: Final answer
    x = 1,343.50

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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.